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Talks.Talks History

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14.02.2019, at 12:55 UTC by 2.110.50.53 -
Changed line 19 from:
* Jakob Lemvig will give an invited talk at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
to:
* Jakob Lemvig is invited to deliver a talk at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
14.02.2019, at 12:54 UTC by 2.110.50.53 -
Changed lines 9-16 from:
* Jakob Lemvig will give an invited talk at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
* Ole Christensen is invited to deliver a speech at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
* Ole Christensen is invited to KAIST, Korea, July, 2018.
* Ole Christensen is invited to deliver a plenary talk at the ''Süddeutscher Workshop Approx.theorie'', July 20, 2018.
* Ole Christensen is invited to deliver a speech at [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
* Ole Christensen is invited to deliver a plenary talk at the Mecklenburger Workshop about ''Approximation Methods and Fast Algorithms'', September 10-14, 2018.
to:
Added lines 19-25:
* Jakob Lemvig will give an invited talk at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
* Ole Christensen is invited to deliver a speech at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
* Ole Christensen is invited to KAIST, Korea, July, 2018.
* Ole Christensen is invited to deliver a plenary talk at the ''Süddeutscher Workshop Approx.theorie'', July 20, 2018.
* Ole Christensen is invited to deliver a speech at [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
* Ole Christensen is invited to deliver a plenary talk at the Mecklenburger Workshop about ''Approximation Methods and Fast Algorithms'', September 10-14, 2018.
14.02.2019, at 12:53 UTC by 2.110.50.53 -
Added lines 6-8:
* Jakob Lemvig is invited to deliver a colloquium talk at the Department of Mathematics at
Katholische Universität Eichstätt-Ingolstadt, June 12, 2019.
* Jakob Lemvig is invited to deliver a plenary talk at [[http://www-m15.ma.tum.de/Allgemeines/MSIA19| Workshop on Mathematical Signal and Image Analysis]], April 1-3, 2019, in Raitenhaslach, Germany
19.04.2018, at 13:31 UTC by 10.52.1.71 -
Changed line 12 from:
to:
* Ole Christensen is invited to deliver a plenary talk at the Mecklenburger Workshop about ''Approximation Methods and Fast Algorithms'', September 10-14, 2018.
19.04.2018, at 13:29 UTC by 10.52.1.71 -
Deleted line 7:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
Added lines 10-11:
* Ole Christensen is invited to deliver a speech at [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
19.04.2018, at 13:27 UTC by 10.52.1.71 -
Added line 7:
* Ole Christensen is invited to deliver a speech at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
Changed lines 9-10 from:
to:
* Ole Christensen is invited to KAIST, Korea, July, 2018.
* Ole Christensen is invited to deliver a plenary talk at the ''Süddeutscher Workshop Approx.theorie'', July 20, 2018.
Changed lines 24-25 from:
* Ole Christensen was invited to the workshop ''Mathematical challenges of structures function systems''%%,
Erwin Schrödinger Institute, Vienna, March 19-23, 2018.
to:
* Ole Christensen was invited to the workshop ''Mathematical challenges of structures function systems''%%, Erwin Schrödinger Institute, Vienna, March 19-23, 2018.
* Ole Christensen was invited to San Luis University, Argentina, April
, 2018.
19.04.2018, at 13:21 UTC by 10.52.1.71 -
Changed lines 21-23 from:
to:
* Ole Christensen was invited to the workshop ''Mathematical challenges of structures function systems''%%,
Erwin Schrödinger Institute, Vienna, March 19-23, 2018.
Added line 26:
* Ole Christensen was invited to KAIST, Korea, February 17-26, 2017.
Added line 32:
* Ole Christensen was invited to KAIST, Korea, July 10-18, 2017.
06.04.2018, at 12:34 UTC by 62.60.120.22 -
Changed lines 5-6 from:
* Marzieh Hasannasab, %green% ''Frames and operator representations of frames''%%, Laboratoire Paul Painlevé de l'Université de Lille, January 26, 2018.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, National University of Singapore, January 26, 2018.
to:
Added lines 17-21:
[[#y2018]]
!!2018 talks
* Marzieh Hasannasab, %green% ''Frames and operator representations of frames''%%, Laboratoire Paul Painlevé de l'Université de Lille, January 26, 2018.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, National University of Singapore, January 26, 2018.
01.02.2018, at 11:35 UTC by 10.52.1.71 -
Added line 5:
* Marzieh Hasannasab, %green% ''Frames and operator representations of frames''%%, Laboratoire Paul Painlevé de l'Université de Lille, January 26, 2018.
01.02.2018, at 11:31 UTC by 10.52.1.71 -
Changed line 7 from:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) July 23-27, 2018]] East China Normal University, Shanghai.
to:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA)]] East China Normal University, Shanghai, July 23-27, 2018.
01.02.2018, at 11:31 UTC by 10.52.1.71 -
Changed line 7 from:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) July 23-27, 2018]] which will take place at East China Normal University in Shanghai
to:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) July 23-27, 2018]] East China Normal University, Shanghai.
01.02.2018, at 11:30 UTC by 10.52.1.71 -
Changed line 7 from:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) 2018]] which will take place at East China Normal University in Shanghai
to:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) July 23-27, 2018]] which will take place at East China Normal University in Shanghai
01.02.2018, at 11:29 UTC by 10.52.1.71 -
Added line 7:
* Jakob Lemvig will give an invited talk in the minisymposium ''Infinite Dimension Systems and Wavelets'' at the [[http://iwota2018.fudan.edu.cn/| International Workshop on Operator Theory and Applications (IWOTA) 2018]] which will take place at East China Normal University in Shanghai
01.02.2018, at 11:28 UTC by 10.52.1.71 -
Changed lines 5-6 from:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, National University
of Singapore, January 26, 2018.
to:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, National University of Singapore, January 26, 2018.
01.02.2018, at 11:28 UTC by 10.52.1.71 -
Added line 7:
* Jakob Lemvig will give an invited talk at the ''7th International Conference on Computational Harmonic Analysis (ICCHA7)'' at Vanderbilt University in Nashville, TN from May 14-18, 2018.
01.02.2018, at 11:27 UTC by 10.52.1.71 -
Changed lines 25-26 from:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, Talk at Universität
Göttingen, October 16, 2017.
to:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, Talk at Universität Göttingen, October 16, 2017.
01.02.2018, at 11:27 UTC by 10.52.1.71 -
Changed lines 21-26 from:
* Jakob Lemvig, %green% ''On Multivariate Wilson Bases''%%, SAMPTA-conference,
July 3-7, 2017, Talinn, Estonia.
* Ole Christensen, %green% ''Operator representations of frames''%%, SAMPTA-conference,
July 3-7, 2017, Talinn, Estonia.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, IWOTA 2017, Chemnitz,
August 13-17, 2017.
to:
* Jakob Lemvig, %green% ''On Multivariate Wilson Bases''%%, SAMPTA-conference, July 3-7, 2017, Talinn, Estonia.
* Ole Christensen, %green% ''Operator representations of frames''%%, SAMPTA-conference, July 3-7, 2017, Talinn, Estonia.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, IWOTA 2017, Chemnitz, August 13-17, 2017.
01.02.2018, at 11:26 UTC by 10.52.1.71 -
Added lines 21-22:
* Jakob Lemvig, %green% ''On Multivariate Wilson Bases''%%, SAMPTA-conference,
July 3-7, 2017, Talinn, Estonia.
01.02.2018, at 10:22 UTC by 10.52.1.71 -
Changed line 22 from:
July 3--7, 2017, Talinn, Estonia.
to:
July 3-7, 2017, Talinn, Estonia.
Changed line 25 from:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, 19th ÖMG Congress & Annual DMV Meeting, Paris Lodron University, Salzburg, September 11--15, 2017.
to:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, 19th ÖMG Congress & Annual DMV Meeting, Paris Lodron University, Salzburg, September 11-15, 2017.
01.02.2018, at 10:21 UTC by 10.52.1.71 -
Changed lines 5-7 from:
* Jakob Lemvig will give an invited talk in the ''Special Session on Time-Frequency analysis'' at the 12th International conference on [[http://sampta2017.ee/| Sampling Theory and Applications]], July 3 – 7, 2017, Tallinn, Estonia.
to:
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, National University
of Singapore, January 26, 2018
.
Added lines 19-27:
* Ole Christensen, %green% ''Series expansions in Hilbert spaces and exact representations versus approximations''%%, University of San Luis, Argentina, March 21, 2017.
* Ole Christensen, %green% ''Frames in Hilbert spaces and exact versus approximative representations''%%, University of Osnabrück, April 26, 2017.
* Ole Christensen, %green% ''Operator representations of frames''%%, SAMPTA-conference,
July 3--7, 2017, Talinn, Estonia.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, IWOTA 2017, Chemnitz,
August 13-17, 2017.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, 19th ÖMG Congress & Annual DMV Meeting, Paris Lodron University, Salzburg, September 11--15, 2017.
* Ole Christensen, %green% ''Frames and operator representations of frames''%%, Talk at Universität
Göttingen, October 16, 2017.
01.02.2018, at 10:14 UTC by 10.52.1.71 -
Added lines 15-18:
[[#y2017]]
!!2017 talks
* Ole Christensen, %green% ''Series expansions in Hilbert spaces and exact representations versus approximations''%%, University of Buenos Aires, Argentina, March 16, 2017.
07.06.2017, at 09:15 UTC by 2.110.50.53 -
Added line 5:
* Jakob Lemvig will give an invited talk in the ''Special Session on Time-Frequency analysis'' at the 12th International conference on [[http://sampta2017.ee/| Sampling Theory and Applications]], July 3 – 7, 2017, Tallinn, Estonia.
11.10.2016, at 08:56 UTC by 10.16.175.77 -
Added line 16:
* Ole Christensen, %green% ''The unitary extension principle on LCA groups''%%, CIRM, France, 20.Sep, 2016.
15.09.2016, at 08:22 UTC by 10.16.167.105 -
Deleted line 17:
15.09.2016, at 08:22 UTC by 10.16.167.105 -
Changed lines 5-8 from:
* Mads S. Jakobsen, %green% ''Wilson bases in for {$L^2(\mathbb{R}^n)$}''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, August.
* Jakob Lemvig will give an invited talk in the session on ''Approximation Theory in Imaging Sciences'' at the [[http://events.math.unipd.it/dwcaa16| 4th Dolomite Workshop on Constructive Appproximation and Applications]] taking place in Alba di Canazei (Italy), September 8-13, 2016.
to:
Added lines 16-17:
* Mads S. Jakobsen, %green% ''Wilson bases in for {$L^2(\mathbb{R}^n)$}''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, August.
* Jakob Lemvig will give an invited talk in the session on ''Approximation Theory in Imaging Sciences'' at the [[http://events.math.unipd.it/dwcaa16| 4th Dolomite Workshop on Constructive Appproximation and Applications]] taking place in Alba di Canazei (Italy), September 8-13, 2016.
17.08.2016, at 11:39 UTC by 130.225.70.147 -
Changed line 5 from:
* Mads S. Jakobsen, %green% ''Wilson bases in for $L^{2}(\mathbb{R}^{n})$''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, August.
to:
* Mads S. Jakobsen, %green% ''Wilson bases in for {$L^2(\mathbb{R}^n)$}''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, August.
17.08.2016, at 11:38 UTC by 130.225.70.147 -
Added line 5:
* Mads S. Jakobsen, %green% ''Wilson bases in for $L^{2}(\mathbb{R}^{n})$''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, August.
17.08.2016, at 11:36 UTC by 130.225.70.147 -
Added line 20:
* Ole Christensen : %green% ''Partition of unities in harmonic analysis''%% Strobl, June 10, 2016.
17.08.2016, at 11:30 UTC by 130.225.70.147 -
Deleted lines 4-7:
* Ole Christensen is invited to University of San Luis, Argentina, April 2nd -9th.
* Ole Christensen is invited speaker at the conference "Modern Methods of Harmonic Analysis and Differential Operators", Baku, May 25th-27th, 2016.
* Ole Christensen is invited speaker at the symposium "Mathematical Optics, Image Modelling and Applications", Hanover, June 20-24, 2016.
* Jakob Lemvig will give an invited talk in the minisymposium ''Applied Harmonic Analysis, Frame Theory and Operator Theory'' at the [[http://openscholarship.wustl.edu/iwota2016/| International Workshop on Operator Theory and Applications (IWOTA) 2016]] which will take place at Washington University in St. Louis, July 18-22, 2016.
Added lines 18-21:
* Jakob Lemvig will give an invited talk in the minisymposium ''Applied Harmonic Analysis, Frame Theory and Operator Theory'' at the [[http://openscholarship.wustl.edu/iwota2016/| International Workshop on Operator Theory and Applications (IWOTA) 2016]] which will take place at Washington University in St. Louis, July 18-22, 2016.
* Ole Christensen is invited speaker at the symposium "Mathematical Optics, Image Modelling and Applications", Hanover, June 20-24, 2016.
* Ole Christensen is invited speaker at the conference "Modern Methods of Harmonic Analysis and Differential Operators", Baku, May 25th-27th, 2016.
* Ole Christensen is invited to University of San Luis, Argentina, April 2nd -9th.
29.03.2016, at 09:09 UTC by 130.225.70.147 -
Changed lines 6-8 from:
* Ole Christensen is invited speaker at the conference ``Modern Methods of Harmonic Analysis and Differential Operators", Baku, May 25th-27th, 2016.
to:
* Ole Christensen is invited speaker at the conference "Modern Methods of Harmonic Analysis and Differential Operators", Baku, May 25th-27th, 2016.
* Ole Christensen is invited speaker at the symposium "Mathematical Optics, Image Modelling and Applications", Hanover, June 20-24, 2016.
* Jakob Lemvig will give an invited talk in the minisymposium ''Applied Harmonic Analysis, Frame Theory and Operator Theory'' at the [[http://openscholarship.wustl.edu/iwota2016/| International Workshop on Operator Theory and Applications (IWOTA) 2016]] which will take place at Washington University in St. Louis, July 18-22, 2016.
Deleted line 9:
* Jakob Lemvig will give an invited talk in the minisymposium ''Applied Harmonic Analysis, Frame Theory and Operator Theory'' at the [[http://openscholarship.wustl.edu/iwota2016/| International Workshop on Operator Theory and Applications (IWOTA) 2016]] which will take place at Washington University in St. Louis, July 18-22, 2016.
29.03.2016, at 09:08 UTC by 130.225.70.147 -
Changed lines 5-6 from:
to:
* Ole Christensen is invited to University of San Luis, Argentina, April 2nd -9th.
* Ole Christensen is invited speaker at the conference ``Modern Methods of Harmonic Analysis and Differential Operators", Baku, May 25th-27th, 2016.
Added line 9:
22.03.2016, at 09:10 UTC by 130.225.70.147 -
Changed lines 6-7 from:
to:
* Jakob Lemvig will give an invited talk in the session on ''Approximation Theory in Imaging Sciences'' at the [[http://events.math.unipd.it/dwcaa16| 4th Dolomite Workshop on Constructive Appproximation and Applications]] taking place in Alba di Canazei (Italy), September 8-13, 2016.
* Jakob Lemvig will give an invited talk in the minisymposium ''Applied Harmonic Analysis, Frame Theory and Operator Theory'' at the [[http://openscholarship.wustl.edu/iwota2016/| International Workshop on Operator Theory and Applications (IWOTA) 2016]] which will take place at Washington University in St. Louis, July 18-22, 2016.
22.03.2016, at 09:09 UTC by 130.225.70.147 -
Changed lines 6-8 from:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig, March 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
to:
Added line 19:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig, March 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
22.03.2016, at 09:09 UTC by 130.225.70.147 -
Deleted line 5:
* Mads S. Jakobsen : %green% ''On Feichtingers algebra''%%, March. 16th at the Operator Algebra seminar at NTNU, Trondheim, Norway.
Added line 19:
* Mads S. Jakobsen : %green% ''On Feichtingers algebra''%%, March. 16th at the Operator Algebra seminar at NTNU, Trondheim, Norway.
10.03.2016, at 14:56 UTC by 130.225.70.147 -
Changed line 7 from:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig, July 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
to:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig, March 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
08.03.2016, at 14:14 UTC by 130.225.70.147 -
Added line 6:
* Mads S. Jakobsen : %green% ''On Feichtingers algebra''%%, March. 16th at the Operator Algebra seminar at NTNU, Trondheim, Norway.
Changed lines 8-10 from:
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images'', Bernried, Feb 29. - March 4. and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
to:
Added line 20:
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images'', Bernried, Feb 29. - March 4. and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
08.03.2016, at 14:13 UTC by 130.225.70.147 -
Changed line 20 from:
* Mads S. Jakobsen : %green% ''On Jannsens proof of the duality principle for Gabor frames''%%, Jan. 20th at the Hausdorff Trimester Program of Signal Processing in Bonn, Germany
to:
* Mads S. Jakobsen : %green% ''On Janssens proof of the duality principle for Gabor frames''%%, Jan. 20th at the Hausdorff Trimester Program of Signal Processing in Bonn, Germany
25.02.2016, at 07:09 UTC by 82.211.223.204 -
Changed line 7 from:
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images'', Bernried, 29. Feb - 4. March, and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
to:
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images'', Bernried, Feb 29. - March 4. and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
25.02.2016, at 07:09 UTC by 82.211.223.204 -
Changed lines 6-9 from:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig
July 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images''
Bernried, 29. Feb - 4. March, and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
to:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig, July 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images'', Bernried, 29. Feb - 4. March, and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
25.02.2016, at 07:09 UTC by 82.211.223.204 -
Changed line 6 from:
* OC will participate in the Annual Meeting of the German Mathematical Society, Braunschweig
to:
* Ole Christensen will participate in the Annual Meeting of the German Mathematical Society, Braunschweig
Changed line 8 from:
* OC will participate in the workshop'' Applied Approximation, Signals and Images''
to:
* Ole Christensen will participate in the workshop'' Applied Approximation, Signals and Images''
23.02.2016, at 08:49 UTC by 188.183.155.47 -
Added lines 6-7:
* OC will participate in the Annual Meeting of the German Mathematical Society, Braunschweig
July 7-11, and give the talk %green% ''A problem on noncommutative operators''%%.
23.02.2016, at 08:48 UTC by 188.183.155.47 -
Changed line 20 from:
* Mads S. Jakobsen : %green% ''On Jannsens proof of the duality principle for Gabor frames%%, Jan. 20th at the Hausdorff Trimester Program of Signal Processing in Bonn, Germany
to:
* Mads S. Jakobsen : %green% ''On Jannsens proof of the duality principle for Gabor frames''%%, Jan. 20th at the Hausdorff Trimester Program of Signal Processing in Bonn, Germany
23.02.2016, at 08:48 UTC by 188.183.155.47 -
23.02.2016, at 08:48 UTC by 188.183.155.47 -
Added line 9:
Changed lines 17-20 from:
to:
[[#y2016]]
!!2016 talks

* Mads S. Jakobsen : %green% ''On Jannsens proof of the duality principle for Gabor frames%%, Jan. 20th at the Hausdorff Trimester Program of Signal Processing in Bonn, Germany
23.02.2016, at 08:46 UTC by 188.183.155.47 -
Changed lines 6-7 from:
* OC will participate in the workshop Applied Approximation, Signals and Images"
Bernried, 29. Feb - 4. March, and give the talk ``Wavelet frames and the unitary extension principle."
to:
* OC will participate in the workshop'' Applied Approximation, Signals and Images''
Bernried, 29. Feb - 4. March, and give the talk %green%''Wavelet frames and the unitary extension principle''%%.
23.02.2016, at 08:46 UTC by 188.183.155.47 -
Changed lines 6-7 from:
-
to:
* OC will participate in the workshop Applied Approximation, Signals and Images"
Bernried, 29. Feb
- 4. March, and give the talk ``Wavelet frames and the unitary extension principle."
16.11.2015, at 10:08 UTC by 130.225.70.147 -
Added lines 5-6:

-
12.11.2015, at 08:14 UTC by 129.241.228.46 -
Deleted lines 14-15:

* Mads S. Jakobsen: %green% ''Time-frequency analysis - from lattices to subgroups''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, November 10th.
Added line 17:
* Mads S. Jakobsen: %green% ''Time-frequency analysis - from lattices to subgroups''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, November 10th.
10.11.2015, at 18:40 UTC by 78.91.14.175 -
Deleted line 20:
10.11.2015, at 18:40 UTC by 78.91.14.175 -
Added lines 16-19:
* Mads S. Jakobsen: %green% ''Time-frequency analysis - from lattices to subgroups''%%, Analysis seminar, [[ http://www.ntnu.no/ | NTNU]], Norway, November 10th.
[[#y2015]]
!! 2015 talks
* Ole Christensen: %green% ''Frames and series expansions''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 29, 2015.
Changed lines 21-24 from:
* Ole Christensen: %green% ''Frames and series expansions''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 29, 2015.
* Mads S. Jakobsen: %green% ''Time-frequency analysis - from lattices to subgroups''%%, [[ http://www.ntnu.no/ | NTNU]], Norway, November 9th-13th.
[[#y2015]]
!! 2015 talks
to:
26.10.2015, at 08:54 UTC by 130.225.70.147 -
Added lines 14-15:
Changed lines 18-19 from:
to:
* Mads S. Jakobsen: %green% ''Time-frequency analysis - from lattices to subgroups''%%, [[ http://www.ntnu.no/ | NTNU]], Norway, November 9th-13th.
Added lines 9-10:

* None scheduled
18.10.2015, at 19:40 UTC by 87.48.19.168 -
Changed lines 12-13 from:
* Ole Christensen: %green% '' Frames and Operators ''%%, [[ http://www.uni-passau.de/ | University Passau]], Germany, October 27, 2015.
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 29, 2015.
to:
* Ole Christensen: %green% ''Frames and Operators''%%, [[ http://www.uni-passau.de/ | University Passau]], Germany, October 27, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 29, 2015.
18.10.2015, at 19:39 UTC by 87.48.19.168 -
Changed line 13 from:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 27, 2015.
to:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 29, 2015.
18.10.2015, at 19:39 UTC by 87.48.19.168 -
Changed line 13 from:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at TU Munich, Germany, October 27, 2015.
to:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at [[ https://www.tum.de/en/homepage/ | TU Munich]], Germany, October 27, 2015.
18.10.2015, at 19:38 UTC by 87.48.19.168 -
Changed line 13 from:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]], Germany, October 27, 2015.
to:
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]] at TU Munich, Germany, October 27, 2015.
18.10.2015, at 19:37 UTC by 87.48.19.168 -
Changed lines 6-9 from:
>>comment<< * Ole Christensen: %green% '' TITLE ''%%, [[ LINK | LINKNAME]], COUNTRY, Month Day-Day.
to:
>>comment<< ENTRY TEMPLATE

* NAME :
%green% '' TITLE ''%%, [[ LINK | LINKNAME]], COUNTRY, Month Day-Day.
Changed lines 11-13 from:
Universit\ae t Passau, Oct. 27, 2015: Frames and Operators
to:

* Ole Christensen: %green% '' Frames and Operators ''%%, [[ http://www.uni-passau.de/ | University Passau]], Germany, October 27, 2015.
* Ole Christensen: %green% '' Frames and series expansions ''%%, [[ http://www.math.uni-augsburg.de/prof/lam/aktuelles/Joint_Analysis_Seminar_Augsburg-M__nchen.html | Joint Analysis Seminar Augsburg-München]], Germany, October 27, 2015.
18.10.2015, at 19:33 UTC by 87.48.19.168 -
Changed lines 6-7 from:
* Ole Christensen: %green% '' TITLE ''%%, [[ LINK | LINKNAME]], COUNTRY, Month Day-Day.
to:
>>comment<< * Ole Christensen: %green% '' TITLE ''%%, [[ LINK | LINKNAME]], COUNTRY, Month Day-Day.
>><<
18.10.2015, at 19:33 UTC by 87.48.19.168 -
Changed lines 5-8 from:
* None scheduled
to:
* Ole Christensen: %green% '' TITLE ''%%, [[ LINK | LINKNAME]], COUNTRY, Month Day-Day.

Universit\ae t Passau, Oct. 27, 2015: Frames and Operators
04.10.2015, at 21:16 UTC by 87.48.19.168 -
Added line 7:
Added line 14:
*Ole Christensen: %green% ''Frames in finite-dimensional spaces''%%, (workshop) [[http://www.alta.uni-bremen.de/FAG15/ |Frames and Algebraic & Discrete Geometry]], University of Bremen, Germany, July 28.
04.10.2015, at 21:13 UTC by 87.48.19.168 -
Changed line 9 from:
* Ole Christensen: %green% ''TBA''%%, [[https://www.uni-hamburg.de/index.html taget=new| University of Hamburg]], Germany, September 22-23.
to:
* Ole Christensen: %green% ''Frames and Operator Theory''%%, [[https://www.uni-hamburg.de/index.html taget=new| University of Hamburg]], Germany, September 22-23.
04.10.2015, at 12:31 UTC by 109.56.235.169 -
Changed line 9 from:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html taget=new| University of Hamburg]], Germany, September 22-23.
to:
* Ole Christensen: %green% ''TBA''%%, [[https://www.uni-hamburg.de/index.html taget=new| University of Hamburg]], Germany, September 22-23.
03.10.2015, at 08:46 UTC by 87.48.19.168 -
03.10.2015, at 08:43 UTC by 87.48.19.168 -
Changed line 9 from:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23.
to:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html taget=new| University of Hamburg]], Germany, September 22-23.
03.10.2015, at 08:42 UTC by 87.48.19.168 -
Changed line 13 from:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3.
to:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems''%%, [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3.
Changed line 37 from:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25.
to:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'', Abstract and Applied Harmonic Analysis" at DTU, April 25.
03.10.2015, at 08:38 UTC by 87.48.19.168 -
Changed line 25 from:
* Jakob Lemvig %green% ''XYZ'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15, 2014.
to:
* Jakob Lemvig %green% '' Reproducing Formulas for Generalized Translation Invariant Systems'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15, 2014.
Changed line 39 from:
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25.
to:
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25.
03.10.2015, at 08:34 UTC by 87.48.19.168 -
Changed line 39 from:
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25.
to:
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25.
03.10.2015, at 08:33 UTC by 87.48.19.168 -
Changed lines 9-21 from:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green% ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green% ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Ole Christensen: %green% ''Frames and Coherent States: Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong University of Science and Technology]], April 22, 2015.
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
to:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23.
* Jakob Lemvig: %green% ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22.
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23.
* Mads S. Jakobsen: %green% ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29.
* Ole Christensen: %green% ''Frames and Coherent States: Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong University of Science and Technology]], April 22.
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19.
Changed line 24 from:
* Ole Christensen: %green% ''Computational issues of dual frame constructions'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15, 2014.
to:
* Ole Christensen: %green% ''Computational issues of dual frame constructions'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15.
Changed lines 26-28 from:
* Ole Christensen: %green% ''Frames and series expansions'' %%, [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]], Germany, October 23, 2014.
* Ole Christensen: %green% ''An introduction to modern harmonic analysis''%%, [[http://www.unist.ac.kr/| UNIST]], South Korea, July 16, 2014.
* Ole Christensen: three 1-hour lectures %green% ''Frames and operator theory''%%, (summer school) [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]], Trieste, Italy, June 2-20, 2014.
to:
* Ole Christensen: %green% ''Frames and series expansions'' %%, [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]], Germany, October 23.
* Ole Christensen: %green% ''An introduction to modern harmonic analysis''%%, [[http://www.unist.ac.kr/| UNIST]], South Korea, July 16.
* Ole Christensen: three 1-hour lectures %green% ''Frames and operator theory''%%, (summer school) [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]], Trieste, Italy, June 2-20.
Changed lines 37-39 from:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups II''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25, 2014.
to:
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25.
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups II''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25.
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 25.
03.10.2015, at 08:32 UTC by 87.48.19.168 -
Changed line 28 from:
* Ole Christensen: three 1-hour lectures %green% ''Frames and operator theory", (summer school) [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]], Trieste, Italy, June 2-20, 2014.
to:
* Ole Christensen: three 1-hour lectures %green% ''Frames and operator theory''%%, (summer school) [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]], Trieste, Italy, June 2-20, 2014.
03.10.2015, at 08:31 UTC by 87.48.19.168 -
Changed lines 19-20 from:
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions'', [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
to:
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames''%%, [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
03.10.2015, at 08:31 UTC by 87.48.19.168 -
03.10.2015, at 08:25 UTC by 87.48.19.168 -
Changed lines 18-19 from:
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong
University of Science and Technology]], April 22, 2015.
to:
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong University of Science and Technology]], April 22, 2015.
Changed lines 38-39 from:
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized
translation invariant systems on LCA groups II''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
to:
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups II''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
03.10.2015, at 08:24 UTC by 87.48.19.168 -
03.10.2015, at 08:24 UTC by 87.48.19.168 -
Changed lines 17-18 from:
* Ole Christensen: %green% ''Frames and Coherent States:
Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
to:
* Ole Christensen: %green% ''Frames and Coherent States: Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
Changed lines 37-40 from:
* Ole Chritsensen: %green% ''From abstract to explicit frame
constructions on LCA groups''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized
translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
to:
* Ole Chritsensen: %green% ''From abstract to explicit frame constructions on LCA groups''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
03.10.2015, at 08:23 UTC by 87.48.19.168 -
03.10.2015, at 08:20 UTC by 87.48.19.168 -
Changed lines 9-11 from:
* JL will give an invited talk at the [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015
* OC, JL, and MSJ will give talks at
[[http://www.american.edu/cas/mathstat/sampta2015/index.cfm#|SampTA2015]], the ''11th International Conference on Sampling Theory and Applications'', May 25-29, 2015, American University, Washington D.C.
to:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green% ''On the frame set conjecture for B-splines in Gabor analysis''%%,
[[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green% ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized translation invariant systems''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Ole Christensen: %green% ''Frames and Coherent States:
Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong
University of Science and Technology]], April 22, 2015.
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions'', [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
Deleted lines 25-59:
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems%%, Workshop on ''Mathematical and Statistical Analysis of Spatial Data'', Aalborg University, June 1-3, 2015.
* Jakob Lemvig: %green%Oversampling of wavelet frames with real dilations%%, ''[[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]]'', Vanderbilt University, USA, May 2014.
* Jakob Lemvig: %green%Characterizing equations for generalized translation invariant systems on LCA groups%%, Seminar in the ''Department of Mathematics'', University of Oregon, USA, April, 2015.
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems on
locally compact abelian groups%%, Seminar at the ''Norbert Wiener Center'', University of Maryland, USA.
* Ole Christensen: %green%Frames and series expansions%%, talk at [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]], Germany, October 23, 2014.
* Ole Christensen: %green%An introduction to modern harmonic analysis%%, talk at [[http://www.unist.ac.kr/| UNIST]], South Korea, July 16, 2014.
* Ole Christensen: 1-hour lectures on %green%Frames and operator theiry%% at the [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]] in Trieste, Italy, June 2-20, 2014.


* OC and JL will give invited talks at [[http://icerm.brown.edu/sp-f14/| ICERM Research Cluster]] -- ''Computational Challenges in Sparse and Redundant Representations'' at Brown University, Nov. 3-15, 2014.
* OC, JL, and MSJ will give talks at [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]] in Strobl, Austria on June 2-6, 2014.
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.



[[#y2015]]
!! 2015 talks
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green% ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green% ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green% '' XYZ''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Ole Christensen: %green% ''Frames and Coherent States:
Series Expansions in Hilbert Spaces''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%, [[http://www.ust.hk/| Hong Kong
University of Science and Technology]], April 22, 2015.
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions'', [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.

[[#y2014]]
!! 2014 talks
Added line 37:
* Jakob Lemvig: %green%Characterizing equations for generalized translation invariant systems on LCA groups%%, Seminar in the ''Department of Mathematics'', University of Oregon, USA, April, 2014.
03.10.2015, at 08:17 UTC by 87.48.19.168 -
Deleted line 8:
* OC, JL, and MSJ will give talks at the [[http://www.math.uni-hamburg.de/DMV2015/acceptedminisymposia.html|2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV)]].
Changed line 36 from:
* Jakob Lemvig: %green% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]]%% workshop in Aalborg, June 1-3, 2015.
to:
* Jakob Lemvig: %green% '' XYZ''%% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
03.10.2015, at 08:11 UTC by 87.48.19.168 -
Changed lines 37-49 from:
* Jakob Lemvig: %green% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]]%% workshop in Aalborg, June 1-3, 2015. (invited)
*
Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.


* OC is invited to give a planery lecture at the
[[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics, in Palermo Italy, May 18-23, 2015.
* OC gives a talk at the [[http://www.ust.hk/| Hong Kong
University of Science
and Technology]] on April 22, 2015.
* MSJ gives a talk on "The duality principle for Gabor frames" at the seminar of the [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]] at the University of Maryland, College Park, USA, March 24, 2015.
* OC will give a talk on "Frames and series expansions" at the
[[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
to:
* Jakob Lemvig: %green% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]]%% workshop in Aalborg, June 1-3, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 25-29, 2015.
* Ole Christensen: %green% ''Frames and Coherent States:
Series Expansions in Hilbert Spaces
''%%, [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics]], Palermo, Italy, May 18-23, 2015.
* Ole Christensen: %green% ''Frames and series expansions''%%,
[[http://www.ust.hk/| Hong Kong
University of Science and Technology]], April 22, 2015.
* Mads S. Jakobsen: %green% ''The duality principle for Gabor frames'',
[[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]], University of Maryland, College Park, USA, March 24, 2015.
* Ole Christensen: %green% ''Frames and series expansions'',
[[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.
Changed lines 50-58 from:
* OC and JL will give invited talks at [[http://icerm.brown.edu/sp-f14/| ICERM Research Cluster]] -- ''Computational Challenges in Sparse and Redundant Representations'' at Brown University, Nov. 3-15, 2014.
* OC will give a talk on "Frames and series expansions" at the [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]] in Germany on October 23, 2014.
* OC will give a talk on "An introduction to modern harmonic analysis" at
[[http://www.unist.ac.kr/| UNIST]] in South Korea on July 16, 2014.
* OC will give three 1-hour lectures on "Frames and operator theiry" at the
[[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]] in Trieste, Italy, June 2-20, 2014.
* OC, JL
, and MSJ will give talks at [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]] in Strobl, Austria on June 2-6, 2014.
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]]
at Vanderbilt University on May, 2014.
* OC will give a talk on "From abstract to concrete expansions on LCA
groups" at the [[http://lnu.se/?l=en| Linnæus University, Wäxjö, Sweden on May 2, 2014.
* OC, JL and MSJ give talks at the workshop "Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* JL gives a talk on "Generalized translation invariant systems on LCA groups" at the seminar of the
[[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]] at the University of Maryland, College Park, USA, March 25, 2014.
to:
* Ole Christensen: %green% ''Computational issues of dual frame constructions'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15, 2014.
* Jakob Lemvig %green% ''XYZ'' %%, workshop [[http://icerm.brown.edu/sp-f14/| Computational Challenges in Sparse and Redundant Representations, ICERM Research Cluster]], Brown University, USA, Nov. 3-15, 2014.
* Ole Christensen: %green% ''Frames and series expansions'' %%,
[[https://www.uni-hamburg.de/index_e.html| University of Hamburg]], Germany, October 23, 2014.
* Ole Christensen: %green% ''An introduction to modern harmonic analysis''%%, [[http://www.unist.ac.kr/| UNIST]], South Korea, July 16, 2014.
* Ole Christensen: three 1-hour lectures %green% ''Frames and operator theory"
, (summer school) [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]], Trieste, Italy, June 2-20, 2014.
* Ole Christensen: %green% ''On the duality principle and various R-duals'' %%, [[http://www.univie.ac.
at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]], Strobl, Austria on June 2-6, 2014.
* Jakob Lemvig: %green% ''Duality results for Gabor frames on LCA
groups'' %%, [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]], Strobl, Austria on June 2-6, 2014.
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized translation invariant systems on LCA groups'' %%, [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]], Strobl, Austria on June 2-6, 2014.
* Ole Christensen: %green% ''The unitary extension principle on LCA groups'' %%,
[[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May 19-23, 2014.
* Jakob Lemvig: %green% ''Oversampling of wavelet frames for real dilations'' %%, [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May 19-23, 2014.
* Ole Christensen: %green% ''From abstract to concrete expansions on LCA groups'' %%, [[http://lnu.se/?l=en| Linnæus University]], Wäxjö, Sweden on May 2, 2014.
* Ole Chritsensen: %green% ''From abstract to explicit frame
constructions on LCA groups''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Jakob Lemvig: %green% ''Reproducing formulas for generalized
translation invariant systems on LCA groups I''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Mads S. Jakobsen: %green% ''Reproducing formulas for generalized
translation invariant systems on LCA groups II''%%, workshop ''Abstract and Applied Harmonic Analysis'' %%, Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* Jakob Lemvig: %green% ''Generalized translation invariant systems on LCA groups'', [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]],
University of Maryland, College Park, USA, March 25, 2014.
03.10.2015, at 07:41 UTC by 87.48.19.168 -
Changed line 35 from:
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations'', [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]]%%, Hamburg, Germany, September 23, 2015.
to:
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
03.10.2015, at 07:40 UTC by 87.48.19.168 -
Changed lines 38-41 from:


* OC, JL, and MSJ will give talks at [[http://www.american.edu/cas/mathstat/sampta2015/index.cfm#|SampTA2015]], the ''11th International Conference on Sampling Theory and Applications'', May 25-29, 2015, American University, Washington D.C.
to:
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Jakob Lemvig: %green% ''Duality results for co-compact Gabor systems''%%, [[http://www
.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Mads S. Jakobsen: %green% ''A Characterization of Tight and Dual Generalized Translation Invariant Frames''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
* Ole Christensen: %green% ''On R-duals and the duality principle''%%, [[http://www.american.edu/cas/mathstat/sampta2015/| 11th International Conference on Sampling Theory and Applications]], American University, Washington DC, USA, May 18-23, 2015.
03.10.2015, at 07:29 UTC by 87.48.19.168 -
Changed lines 33-37 from:
* Ole Christensen: %green ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green ''Wavelets for non-expanding dilations'', [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]]%%, Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015. (invited)
to:
* Ole Christensen: %green% ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green% ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green% ''Wavelets for non-expanding dilations'', [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]]%%, Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green% ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green% [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]]%% workshop in Aalborg, June 1-3, 2015. (invited)

03.10.2015, at 07:28 UTC by 87.48.19.168 -
Changed lines 33-34 from:
* OC, JL, and MSJ will give talks at the [[http://www.math.uni-hamburg.de/DMV2015/acceptedminisymposia.html|2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV)]].
* JL will give an invited talk at the [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
to:
* Ole Christensen: %green ''XYZ''%%, [[https://www.uni-hamburg.de/index.html| University of Hamburg]], Germany, September 22-23, 2015.
* Jakob Lemvig: %green ''On the frame set conjecture for B-splines in Gabor analysis''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 22, 2015.
* Jakob Lemvig: %green ''Wavelets for non-expanding dilations'', [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]]%%, Hamburg, Germany, September 23, 2015.
* Mads S. Jakobsen: %green ''Regular Gabor systems on locally compact abelian groups''%%, [[http://www.math.uni-hamburg.de/DMV2015/index.html| Jahrestagung der Deutschen Mathematiker Vereinigung]], Hamburg, Germany, September 23, 2015.
* Jakob Lemvig: %green [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015. (invited)
Deleted line 55:
03.10.2015, at 06:51 UTC by 87.48.19.168 -
Changed lines 27-53 from:
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.
to:
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.



[[#y2015]]
!! 2015 talks
* OC, JL, and MSJ will give talks at the [[http://www.math.uni-hamburg.de/DMV2015/acceptedminisymposia.html|2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV)]].
* JL will give an invited talk at the [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015.
* OC, JL, and MSJ will give talks at [[http://www.american.edu/cas/mathstat/sampta2015/index.cfm#|SampTA2015]], the ''11th International Conference on Sampling Theory and Applications'', May 25-29, 2015, American University, Washington D.C.
* OC is invited to give a planery lecture at the [[http://www.math.unipa.it/~phhqp15/| 15th conference on Pseudo-Hermitian Hamiltonians in Quamtum Physics, in Palermo Italy, May 18-23, 2015.
* OC gives a talk at the [[http://www.ust.hk/| Hong Kong
University of Science and Technology]] on April 22, 2015.
* MSJ gives a talk on "The duality principle for Gabor frames" at the seminar of the [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]] at the University of Maryland, College Park, USA, March 24, 2015.
* OC will give a talk on "Frames and series expansions" at the [[http://www.unsl.edu.ar/| National University of San Luis]] in Argentina, March 19, 2015.

[[#y2014]]
!! 2014 talks
* OC and JL will give invited talks at [[http://icerm.brown.edu/sp-f14/| ICERM Research Cluster]] -- ''Computational Challenges in Sparse and Redundant Representations'' at Brown University, Nov. 3-15, 2014.
* OC will give a talk on "Frames and series expansions" at the [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]] in Germany on October 23, 2014.
* OC will give a talk on "An introduction to modern harmonic analysis" at [[http://www.unist.ac.kr/| UNIST]] in South Korea on July 16, 2014.
* OC will give three 1-hour lectures on "Frames and operator theiry" at the [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]] in Trieste, Italy, June 2-20, 2014.
* OC, JL, and MSJ will give talks at [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]] in Strobl, Austria on June 2-6, 2014.
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.
* OC will give a talk on "From abstract to concrete expansions on LCA groups" at the [[http://lnu.se/?l=en| Linnæus University, Wäxjö, Sweden on May 2, 2014.
* OC, JL and MSJ give talks at the workshop "Abstract and Applied Harmonic Analysis" at DTU, April 25, 2014.
* JL gives a talk on "Generalized translation invariant systems on LCA groups" at the seminar of the [[http://www.norbertwiener.umd.edu/| Norbert Wiener Center for Harmonic Analysis and Applications]] at the University of Maryland, College Park, USA, March 25, 2014.
02.10.2015, at 11:35 UTC by 130.225.84.229 -
Changed lines 15-16 from:
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems%%, Workshop on ''Mathematical and Statistical Analysis of Spatial Data'',
Aalborg University, June 1-3, 2015.
to:
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems%%, Workshop on ''Mathematical and Statistical Analysis of Spatial Data'', Aalborg University, June 1-3, 2015.
02.10.2015, at 11:34 UTC by 130.225.84.229 -
Added lines 15-25:
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems%%, Workshop on ''Mathematical and Statistical Analysis of Spatial Data'',
Aalborg University, June 1-3, 2015.
* Jakob Lemvig: %green%Oversampling of wavelet frames with real dilations%%, ''[[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]]'', Vanderbilt University, USA, May 2014.
* Jakob Lemvig: %green%Characterizing equations for generalized translation invariant systems on LCA groups%%, Seminar in the ''Department of Mathematics'', University of Oregon, USA, April, 2015.
* Jakob Lemvig: %green%Reproducing formulas for generalized translation invariant systems on
locally compact abelian groups%%, Seminar at the ''Norbert Wiener Center'', University of Maryland, USA.
* Ole Christensen: %green%Frames and series expansions%%, talk at [[https://www.uni-hamburg.de/index_e.html| University of Hamburg]], Germany, October 23, 2014.
* Ole Christensen: %green%An introduction to modern harmonic analysis%%, talk at [[http://www.unist.ac.kr/| UNIST]], South Korea, July 16, 2014.
* Ole Christensen: 1-hour lectures on %green%Frames and operator theiry%% at the [[http://indico.ictp.it/event/a13201| ICTP-TWAS School on Coherent State Transform, Time-Frequency and Time-Scale Analysis, Applications]] in Trieste, Italy, June 2-20, 2014.
01.10.2015, at 12:36 UTC by 109.56.87.221 -
Changed lines 3-4 from:
[[#future]]
!! Future talks
to:
[[#upcoming]]
!! Upcoming talks
Changed line 8 from:
!! 2015
to:
!! 2015 talks
Changed line 14 from:
!! 2014
to:
!! 2014 talks
01.10.2015, at 12:34 UTC by 109.56.87.221 -
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[[#2015]]
to:
[[#y2015]]
Changed line 13 from:
[[#2014]]
to:
[[#y2014]]
01.10.2015, at 12:33 UTC by 109.56.87.221 -
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[[#future]]
!! Future talks
* None scheduled

[[#2015]]
Added line 13:
[[#2014]]
01.10.2015, at 12:29 UTC by 109.56.87.221 -
Deleted lines 0-2:

%define=abbox block font-size=100pct bgcolor=#eeeeee margin="0.5em 0em 0.5em 0.5em" padding=0.5em width=95pct border="0.5px solid gray"%
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!! 2015
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!! 2014
Changed lines 11-29 from:
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.

----

! HATA seminar

[[#upcoming]]
!! Upcoming talks

There are currently no planned events.

[[#pasttalks]]
!! Past talks

Dr. %maroon%'''Peter Massopust'''%% (TU Munich) will give a talk on %green%''B-splines and fractional splines''%%.

%abbox% %maroon%Abstract%%: TBA.\\
(''HATA seminar, 29.10.2014 at 11:00, DTU, Building 303B/Matematicum'')%%
to:
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.
30.09.2015, at 21:58 UTC by 109.56.87.221 -
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----
30.09.2015, at 21:23 UTC by 109.56.87.221 -
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[#upcoming]
to:
[[#upcoming]]
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[#pasttalks]
to:
[[#pasttalks]]
30.09.2015, at 21:23 UTC by 109.56.87.221 -
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[#upcoming]
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[#pasttalks]
30.09.2015, at 21:22 UTC by 109.56.87.221 -
Deleted lines 18-19:

[[https://www-m6.ma.tum.de/Lehrstuhl/PeterMassopust| Peter Massopust]] TU Munich will talk on B-splines and fractional splines. It is tomorrow at 11:00 in Mathematicum.
30.09.2015, at 21:22 UTC by 109.56.87.221 -
Changed lines 3-169 from:
[[#oberseminar]]
! AAG Oberseminar in Applied Analysis
Our weekly ''Oberseminar Angewandte Analysis'' Mondays 16:15-17:45 (room 69/E15) will start again from April 19, 2010.


Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May 3 on %green%''Edge Analysis and identification using the Continuous Shearlet Transform''%%.

%abbox% %maroon%Abstract%%: It is well known that the continuous wavelet transform has the ability to
identify the set of singularities of a function. It was recently shown
that certain multidimensional generizations of the wavelet transform are
useful to capture additional information about the geometry of the
singularities.\\
In this talk, we show that the continuous shearlet transform allows
one to exactly identify the location and orientation of the edges of
planar objects. This provides the theoretical background for the
development of improved algorithms for edge detection and analysis.\\
If time is allowed, we also discuss some recent results (by Guo and
Labate) on edge analysis using 3D shearlets.\\
(''Oberseminar, 03.05.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%

Prof. Dr. %maroon%'''Kasso Okoudjou'''%% (Uni. Maryland) will give a talk in the AAG Oberseminar on June 21 2010 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.\\
(''Oberseminar, 27.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%

Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 27 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.

%abbox% %maroon%Abstract%%: Recently introduced multiscale directional representations such as the curvelet and shearlet systems have been shown to be particularly effective at characterizing edge discontinuities of planar regions. In this talk, we show that this approach can be generalized and extended to deal with general singularities not only in the plane but also in higher dimensions. This investigation is motivated by applications in edge detection and feature extraction for 2D and 3D data.
(''Oberseminar, 27.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%


[[#upcoming]]
! Other Upcoming talks

Prof. Dr. %maroon%'''Massimo Fornasier'''%% (RICAM, Linz) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on May 21 2010 on %green%''Innovative Sparse Recovery Methods for PDEs''%%.

%abbox% %maroon%Abstract%%: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.\\
1) Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;\\
2) Numerical methods for 1-Laplacian equations associated to total variation minimization;\\
3) Inverse free-discontinuity problems. \\
(''Kolloquium, Wed. 12.05.2010 at 17:15, Uni. Osnabrück, Building 69/125'')%%

Prof. Dr. %maroon%'''Gabriele Steidl'''%% (Uni. Mannheim) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on July 7 2010 on %green%''Operator Splittings in Image Processing''%%.

%abbox% %maroon%Abstract%%: Operator splitting techniques were developed in the 60th for the efficient solution of linear systems of equations appearing in connection with the numerical solution of partial differential equations. More than 20 years later these methods were generalized to nonlinear, set-valued, monotone operators and were recently successfully applied in image precessing. After motivating why methods of convex analysis/non-smooth convex optimization are useful for many image restoration tasks we give a brief introduction into the relevant operator splitting techniques. We point out that for special functionals there exist equivalent derivations via averaged operatoren, (Bregman) proximal point methods or augmented Lagrangian methods. Then we present applications of operator splitting methods in direction-steered inpainting (interpolation) and for denoising of images corruped with non-additive noise (and possibly some blur) which appear for example in Synthetic Aperture Radar and electronic microscopy.
(''Kolloquium, Wed. 07.07.2010 at 17:15, Uni. Osnabrück, Building 69/125'')%%

>>comment<<
|| 26.10.2009&ndash;31.10.2009 || Prof. [[http://people.math.gatech.edu/~heil/| Christopher Heil]] || Georgia Institute of Technology ||
Prof. Dr. %maroon%'''[[http://people.math.gatech.edu/~heil/| Christopher Heil]]'''%% (Georgia Institute of Technology) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html | Kolloquium]] talk on October 28 on %green%''Music, Time-Frequency Shifts, and Linear Independence''%%.

%abbox% %maroon%Abstract%%: Fourier series provide a way of writing almost any signal as a superposition of pure tones, or musical notes. But this representation is not local, and does not reflect the way that music is actually generated by instruments playing individual notes at different times. We will discuss time-frequency representations, which are a type of local Fourier representation of signals. This gives us a mathematical model for representing music. While the model is crude for music, it is in fact a powerful mathematical representation that has appeared widely throughout mathematics (e.g., partial differential equations), physics (e.g., quantum mechanics), and engineering (e.g., time-varying filtering). We ask one very basic question: are the notes in this representation linearly independent? This seemingly trivial question leads to surprising mathematical difficulties. (''Kolloquium, Wed. 28.10.2009 at 17:00, Uni. Osnabrück, Building 69/125'') %%
>><<

[[#pasttalks]]
! Past talks
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%

Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''The Pythagorean Theorem for Orthogonal Projections''%%.

%abbox% %maroon%Abstract%%: The Pythagorean Theorem should be known to everyone after completing elementary school. However, its generalization for orthogonal projections might not be widely known among professional mathematicians due to the fact that it was proved only a few years ago. This theorem characterizes diagonals of orthogonal projections in Hilbert spaces and it was shown in 2002 by Kadison. For finitely dimensional spaces this result is a consequence of a more general Schur-Horn Theorem characterizing diagonals of Hermitian matrices with prescribed eigenvalues. In the finite dimensional case diagonals of a projection are numbers between 0 and 1 summing up to an integer. However, the infinite dimensional case, though simple in formulation, is a much deeper result. In this talk we shall describe Kadison's theorem and some newer results characterizing diagonals of self-adjoint operators with prescribed spectrum.
(''Kolloquium, Wed. 21.04.2010 at 17:00, Uni. Osnabrück, Building 69/125'')%%


Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 20 on %green%''Construction of three-dimensional compactly supported shearlets''%%.

%abbox% %maroon%Abstract%%: Dahlke, Steidl and Teschke recently introduced a continuous shearlet
transform for higher dimensions. In this talk we focus on such
(discrete) shearlet systems in 3D with compact support. We derive
sufficient conditions for so-called cone-adapted shearlet systems to
form a frame and provide explicit estimates for their frame bounds. If
time permits, we also discuss their sparse approximation properties
for representing functions which are {$C^2$}-smooth except on a {$C^2$}
discontinuity surface.\\
(''Oberseminar, 20.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23'')%%


Prof. Dr. %maroon%'''Pete Casazza'''%% (Uni. Missouri) gave a talk in the AAG Oberseminar on February 4 on %green%''Signal Reconstruction without Phase''%%.

%abbox% %maroon%Abstract%%: A 50 year old problem in Engineering asks: Can we do signal reconstruction
without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.\\
(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%



Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) gave a talk in the AAG Oberseminar on January 28 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.

%abbox% %maroon%Abstract%%: In this talk will discuss two recent topics in sparse recovery. Many types of real-world signals (e.g. sounds, images, video) can be viewed as an {$n$}-dimensional vector of real numbers, where usually {$n$} is really large, that is "compressible". Sparsity is a simple but effective model for many real-life signals. Compressed sensing (CS) concerns linear algebra and underdetermined linear equations with a sparsity constraint. First we will discuss compressed sensing and its applications in different area of mathematics, especially the possible connection to PDEs using finite elements. In the second part of this talk, we will consider the Kronecker product of matrices. We discuss different sparsity measures such as restricted isometry property (RIP), null space property (NSP), mutual incoherence, spark and their connections and how these measures behave in the case where the matrix is the Kronecker product of matrices.
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 66/101'')%%


Prof. %maroon%'''Gitta Kutyniok'''%% gave a talk in the AAG Oberseminar on January 21 on %green%''Frames, Fusion Frames, and Sparse Recovery''%%.

%abbox% %maroon%Abstract%%:
This talk will discuss two recent results in frame and fusion frame theory:\\
''Frames'' have been a focus of study in the last two decades in applications where
redundancy plays a vital and useful role. However, although the notion of redundancy
is at the heart of frame theory, in the case of finite frames, no quantitative notion
has been established yet.\\
In the first part of this talk, we introduce and discuss a list of desiderata a
rationally defined quantitative notion of redundancy for a finite frame shall satisfy.
We then propose a notion of upper and lower redundancy which, in particular, satisfies
all properties advocated in the desiderata. This is joint work with Bernhard Bodmann and
Peter Casazza.\\
As technology progresses, signals and computational sensing equipment becomes
increasingly multidimensional. Sensors are being replaced by sensor arrays and
samples are being replaced by multidimensional measurements. Yet, modern signal
acquisition theory has not fully embraced the new computational sensing paradigm.
''Fusion frames'' are recently emerged mathematical structures that can better capture
the richness of natural and man-made signals compared to classically used
representations.\\
In the second part of this talk, we will introduce the notion of fusion frames
and discuss several results on sparse recovery using fusion frame expansions in both
a worst-case and an average-case analysis framework. This is joint work with Petros
Boufounos and Holger Rauhut.\\
(''Oberseminar, 21.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%



Prof. Dr. %maroon%'''John M. Sullivan'''%% (Technische Universität Berlin) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Dec. 16 2009 on %green%''Geometric Knot Theory''%%.

%abbox% %maroon%Abstract%%: Geometric knot theory is the study of geometric properties of space curves that derive from their topological knottedness. Perhaps the most famous result is the Fary/Milnor theorem relating total curvature to bridge number, but the field can be dated back to work of Pannwitz on quadrisecant lines for knots. There has been a surge of interest in geometric knot theory over the past 15 years, partly due to biophysical applications to the shapes of knotted polymers like DNA molecules. One interesting problem with some surprising answers asks for the shapes of knots and links tied tight in rope of fixed thickness. We will survey recent results on this so-called ropelength problem, as well as some new strengthened versions of the theorems of Pannwitz and Fary/Milnor. We will also give a partial answer to a question of Gromov on distortion of knots. (''Kolloquium, Wed. 16.12.2009 at 17:00, Uni. Osnabrück, Building 69/125'')%%

Dr. %maroon%'''Felix Krahmer'''%% (University of Bonn) gave a talk in the AAG Oberseminar on Dec. 10 2009 on %green%''Lower Bounds for the Error Decay in One-Bit Quantization''%%

%abbox% %maroon%Abstract%%:
Several analog-to-digital conversion methods for bandlimited signals used in applications,
such as {$\Sigma\Delta$} quantization schemes, employ coarse quantization coupled with oversampling.
The standard mathematical model for the error analysis of such methods measures the
performance of a given scheme by the rate at which the associated reconstruction error
decays as a function of the oversampling ratio {$\lambda$}. It was recently shown that exponential
accuracy of the form {$O(2^{-r\lambda})$} can be achieved by appropriate one-bit Sigma-Delta modulation
schemes. However, the best known achievable rate constants {$r$} differ significantly from the
general information theoretic lower bounds. In particular, no lower bounds specific to one-bit
quantization schemes were known. In this talk we show the first such lower bound for the
error decay rate. Our method is based on large deviation estimates. This is joint work with
Rachel Ward.
(''Oberseminar, Thur. 10.12.2009 at 12:00-14:00, Uni. Osnabrück, Building 69/117'')%%

Prof. Dr. %maroon%'''Tomas Sauer'''%% (Justus-Liebig-Universität Gießen) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Dec. 2 2009 on %green%''Subdivision, Factorization and Algebra''%%.

%abbox% %maroon%Abstract%%: Subdision schemes generate curves or surfaces from discrete data by means of repeated local and stationary refinement of that data, based on very simple rules. The initial data can be scalar or vector valued and the vector components can represent multiple data or derivative information. Any investigation of approximation order or smoothness (in the sense of derivatives) of the resulting limit functions naturally leads to factorization properties of certain Laurent polynomials. While in one variable things are still quite simple and all reduces to a linear factor of the form 1+z, the multivariate situation becomes more exciting as now quotient ideals in the ring of Laurent polynomials are involved, a ring that is fundamentally different from the ring of polynomials. In this talk I want to introduce some of these less freightening than natural connections and point out some consequences of this nice connection between analysis and algebra. (''Kolloquium, Wed. 02.12.2009 at 17:00, Uni. Osnabrück, Building 69/125'')%%


Prof. Dr. %maroon%'''Martin Burger'''%% (Universität Münster) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Nov. 18 2009 on %green%''Medical Mathematics &mdash; A Future Key Discipline''%%

%abbox% %maroon%Abstract%%: In this talk I will discuss some aspects in the interplay of mathematics and medicine with particular focus on two examples from cardiology: (i) The quantitative diagnosis of perfusion with PET techniques, (ii) the characterization and therapy of cardiac arrythmias using ECGI techniques. I shall discuss some mathematical questions arising from those imaging and inversion tasks, related to modelling, analysis, and numerical simulation. Moreover, I will highlight the interactive nature between the formulation of diagnostic targets and (to a lower extent) therapeutic strategies, and the formulation and solution of mathematical problems. This work is based on several collaborations with and data from the University Hospital Muenster and the European Institute for Molecular Imaging, Muenster. (''Kolloquium, Wed. 18.11.2009 at 17:00, Uni. Osnabrück, Building 69/125'') %%


Dr. %maroon%'''Philipp Grohs'''%% (Vienna and Graz University of Technology) gave a talk on Oct. 19 2009 on %green%''Some new results in Shearlet theory''%%

%abbox% %maroon%Abstract%%: The first part of the talk focuses on the question of which conditions
a function {$\psi$} needs to satisfy in order to qualify as a shearlet.
By this we mean that it must be possible to represent any
{$L^2$}-function {$f$} by sheared and scaled translates of {$\psi$} and that
the decay rate of the shearlet coefficients gives precise information
about the microlocal behavior of {$f$}. We show that essentially all
that is needed for {$\psi$} to fulfill these requirements are sufficiently many
anisotropic vanishing moments.
In the second part we adress the problem of combining the shearlet
concept with the concept of Multiresolution Analysis. Our approach is
to construct 'shearlet scaling functions' which satisy a refinement
relation adapted to the shearlet structure. This construction utilizes
a novel kind of subdivision procedure. (''Oberseminar, Mon. 19.10.2009 at 16:15, Uni. Osnabrück, Building 69/E15'') %%
to:
! Talks by HATA members outside DTU

* OC, JL, and MSJ will give talks at the [[http://www.math.uni-hamburg.de/DMV2015/acceptedminisymposia.html|2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV)]].
* JL will give an invited talk at the [[http://people.math.aau.dk/~rw/SpatialDataAnalysis2015/| Mathematical and Statistical Analysis of Spatial Data]] workshop in Aalborg, June 1-3, 2015
* OC, JL, and MSJ will give talks at [[http://www.american.edu/cas/mathstat/sampta2015/index.cfm#|SampTA2015]], the ''11th International Conference on Sampling Theory and Applications'', May 25-29, 2015, American University, Washington D.C.
* OC and JL will give invited talks at [[http://icerm.brown.edu/sp-f14/| ICERM Research Cluster]] -- ''Computational Challenges in Sparse and Redundant Representations'' at Brown University, Nov. 3-15, 2014.
* OC, JL, and MSJ will give talks at [[http://www.univie.ac.at/nuhag-php/event_NEW/make.php?event=strobl14| Strobl14 Modern Time-Frequency Analysis]] in Strobl, Austria on June 2-6, 2014.
* OC and JL will give invited talks at the [[http://www.math.vanderbilt.edu/~iccha5/index.php| 5th International Conference on Computational Harmonic Analysis]] at Vanderbilt University on May, 2014.

! HATA seminar

!! Upcoming talks

There are currently no planned events.

!! Past talks

[[https://www-m6.ma.tum.de/Lehrstuhl/PeterMassopust| Peter Massopust]] TU Munich will talk on B-splines and fractional splines. It is tomorrow at 11:00 in Mathematicum.

Dr. %maroon%'''Peter Massopust'''%% (TU Munich) will give a talk on %green%''B-splines and fractional splines''%%.

%abbox% %maroon%Abstract%%: TBA.\\
(''HATA seminar, 29.10.2014 at 11:00, DTU, Building 303B/Matematicum'')%%
29.04.2010, at 07:56 UTC by 131.173.40.72 -
Changed line 37 from:
Prof. Dr. %maroon%'''Massimo Fornasier'''%% (RICAM, Linz) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''Innovative Sparse Recovery Methods for PDEs''%%.
to:
Prof. Dr. %maroon%'''Massimo Fornasier'''%% (RICAM, Linz) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on May 21 2010 on %green%''Innovative Sparse Recovery Methods for PDEs''%%.
29.04.2010, at 07:49 UTC by 131.173.40.72 -
Changed lines 7-11 from:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
Added lines 59-63:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
25.04.2010, at 21:57 UTC by 82.113.106.39 -
Changed lines 14-24 from:
%abbox% %maroon%Abstract%%: Will appear here.\\
to:
%abbox% %maroon%Abstract%%: It is well known that the continuous wavelet transform has the ability to
identify the set of singularities of a function. It was recently shown
that certain multidimensional generizations of the wavelet transform are
useful to capture additional information about the geometry of the
singularities.\\
In this talk, we show that the continuous shearlet transform allows
one to exactly identify the location and orientation of the edges of
planar objects. This provides the theoretical background for the
development of improved algorithms for edge detection and analysis.\\
If time is allowed, we also discuss some recent results (by Guo and
Labate) on edge analysis using 3D shearlets
.\\
24.04.2010, at 20:15 UTC by 82.113.106.163 -
Changed line 36 from:
3) Inverse free-discontinuity problems.
to:
3) Inverse free-discontinuity problems. \\
24.04.2010, at 20:14 UTC by 82.113.106.163 -
Changed lines 34-36 from:
# Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;
# Numerical methods for 1-Laplacian equations associated to total variation minimization;
# Inverse free-discontinuity problems.
to:
1) Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;\\
2) Numerical methods for 1-Laplacian equations associated to total variation minimization;\\
3) Inverse free-discontinuity problems.
24.04.2010, at 20:12 UTC by 82.113.106.163 -
Changed line 33 from:
%abbox% %maroon%Abstract%%: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.
to:
%abbox% %maroon%Abstract%%: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.\\
24.04.2010, at 20:12 UTC by 82.113.106.163 -
Changed lines 34-36 from:
1) Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;
2) Numerical methods for 1-Laplacian equations associated to total variation minimization;
3) Inverse free-discontinuity problems.
to:
# Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;
# Numerical methods for 1-Laplacian equations associated to total variation minimization;
# Inverse free-discontinuity problems.
24.04.2010, at 20:11 UTC by 82.113.106.163 -
Changed lines 31-33 from:
Prof. Dr. Massimo Fornasier (RICAM, Linz)
''Innovative Sparse Recovery Methods for PDEs''
Abstract: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.
to:
Prof. Dr. %maroon%'''Massimo Fornasier'''%% (RICAM, Linz) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''Innovative Sparse Recovery Methods for PDEs''%%.

%abbox% %maroon%Abstract%%
: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.
Changed lines 37-45 from:
Mittwoch, den 12.05.2010, 17 Uhr c.t., 69/125



Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''The Pythagorean Theorem for Orthogonal Projections''%%.

%abbox% %maroon%Abstract%%: The Pythagorean Theorem should be known to everyone after completing elementary school. However, its generalization for orthogonal projections might not be widely known among professional mathematicians due to the fact that it was proved only a few years ago. This theorem characterizes diagonals of orthogonal projections in Hilbert spaces and it was shown in 2002 by Kadison. For finitely dimensional spaces this result is a consequence of a more general Schur-Horn Theorem characterizing diagonals of Hermitian matrices with prescribed eigenvalues. In the finite dimensional case diagonals of a projection are numbers between 0 and 1 summing up to an integer. However, the infinite dimensional case, though simple in formulation, is a much deeper result. In this talk we shall describe Kadison's theorem and some newer results characterizing diagonals of self-adjoint operators with prescribed spectrum.
(''Kolloquium, Wed. 21.04.2010 at 17:00
, Uni. Osnabrück, Building 69/125'')%%
to:
(''Kolloquium, Wed. 12.05.2010 at 17:15, Uni. Osnabrück, Building 69/125'')%%
Changed line 42 from:
(''Kolloquium, Wed. 07.07.2010 at 17:00, Uni. Osnabrück, Building 69/125'')%%
to:
(''Kolloquium, Wed. 07.07.2010 at 17:15, Uni. Osnabrück, Building 69/125'')%%
24.04.2010, at 20:08 UTC by 82.113.106.163 -
Added lines 30-40:

Prof. Dr. Massimo Fornasier (RICAM, Linz)
''Innovative Sparse Recovery Methods for PDEs''
Abstract: Solutions of certain PDEs and variational problems may be characterized by "a few significant degrees of freedom", and one may want to take advantage of this feature in order to design efficient numerical solutions. Examples of such situations are ubiquitous: adaptive solution of PDEs, degenerate PDEs for image processing, crack modelling and free-discontinuity problems, viscosity solutions of Hamilton-Jacobi equations, digital signal coding/decoding, and compressed sensing. In this talk we focus on methods for the compressed solution of PDEs and we address three different topics.
1) Adaptive numerical methods for elliptic PDEs by means of redundant frame discretizations;
2) Numerical methods for 1-Laplacian equations associated to total variation minimization;
3) Inverse free-discontinuity problems.
Mittwoch, den 12.05.2010, 17 Uhr c.t., 69/125

Added lines 60-65:
Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''The Pythagorean Theorem for Orthogonal Projections''%%.

%abbox% %maroon%Abstract%%: The Pythagorean Theorem should be known to everyone after completing elementary school. However, its generalization for orthogonal projections might not be widely known among professional mathematicians due to the fact that it was proved only a few years ago. This theorem characterizes diagonals of orthogonal projections in Hilbert spaces and it was shown in 2002 by Kadison. For finitely dimensional spaces this result is a consequence of a more general Schur-Horn Theorem characterizing diagonals of Hermitian matrices with prescribed eigenvalues. In the finite dimensional case diagonals of a projection are numbers between 0 and 1 summing up to an integer. However, the infinite dimensional case, though simple in formulation, is a much deeper result. In this talk we shall describe Kadison's theorem and some newer results characterizing diagonals of self-adjoint operators with prescribed spectrum.
(''Kolloquium, Wed. 21.04.2010 at 17:00, Uni. Osnabrück, Building 69/125'')%%
21.04.2010, at 07:27 UTC by 131.173.40.72 -
Changed line 12 from:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May 3 on %green%''TBA (on Edge detection)''%%.
to:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May 3 on %green%''Edge Analysis and identification using the Continuous Shearlet Transform''%%.
21.04.2010, at 07:17 UTC by 131.173.40.72 -
Changed lines 35-38 from:
to:
Prof. Dr. %maroon%'''Gabriele Steidl'''%% (Uni. Mannheim) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on July 7 2010 on %green%''Operator Splittings in Image Processing''%%.

%abbox% %maroon%Abstract%%: Operator splitting techniques were developed in the 60th for the efficient solution of linear systems of equations appearing in connection with the numerical solution of partial differential equations. More than 20 years later these methods were generalized to nonlinear, set-valued, monotone operators and were recently successfully applied in image precessing. After motivating why methods of convex analysis/non-smooth convex optimization are useful for many image restoration tasks we give a brief introduction into the relevant operator splitting techniques. We point out that for special functionals there exist equivalent derivations via averaged operatoren, (Bregman) proximal point methods or augmented Lagrangian methods. Then we present applications of operator splitting methods in direction-steered inpainting (interpolation) and for denoising of images corruped with non-additive noise (and possibly some blur) which appear for example in Synthetic Aperture Radar and electronic microscopy.
(''Kolloquium, Wed. 07.07.2010 at 17:00, Uni. Osnabrück, Building 69/125'')%%
21.04.2010, at 07:14 UTC by 131.173.40.72 -
Changed lines 12-13 from:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May '''3''' on %green%''TBA (on Edge detection)''%%.
to:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May 3 on %green%''TBA (on Edge detection)''%%.
Changed line 46 from:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April '''20''' on %green%''Construction of three-dimensional compactly supported shearlets''%%.
to:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 20 on %green%''Construction of three-dimensional compactly supported shearlets''%%.
21.04.2010, at 07:14 UTC by 131.173.40.72 -
Changed lines 12-13 from:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May '''5''' on %green%''TBA (on Edge detection)''%%.
to:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May '''3''' on %green%''TBA (on Edge detection)''%%.
Changed lines 15-16 from:
(''Oberseminar, 20.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
(''Oberseminar, 03.05.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%

Prof. Dr. %maroon%'''Kasso Okoudjou'''%% (Uni. Maryland) will give a talk in the AAG Oberseminar on June 21 2010 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.\\
(''Oberseminar, 27.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
21.04.2010, at 07:11 UTC by 131.173.40.72 -
Changed lines 12-22 from:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April '''20''' on %green%''Construction and sparsity of three-dimensional compactly supported shearlets''%%.

%abbox% %maroon%Abstract%%: Dahlke, Steidl and Teschke recently introduced a continuous shearlet
transform for higher dimensions. In this talk we focus on such
(discrete) shearlet systems in 3D with compact support. We derive
sufficient conditions for so-called cone-adapted shearlet systems to
form a frame and provide explicit estimates for their frame bounds. If
time permits, we also discuss their sparse approximation properties
for representing functions which are {$C^2$}-smooth except on a {$C^2$}
discontinuity surface.\\
(''Oberseminar, 20.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23
'')%%
to:
Dr. %maroon%'''Wang-Q Lim'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on May '''5''' on %green%''TBA (on Edge detection)''%%.

%abbox% %maroon%Abstract%%: Will appear here.\\
(''Oberseminar, 20.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15''
)%%
21.04.2010, at 06:43 UTC by 89.166.152.93 -
Added lines 7-11:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
Changed lines 24-29 from:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
Changed lines 28-30 from:
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
(''Oberseminar, 27.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
Added lines 49-61:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April '''20''' on %green%''Construction of three-dimensional compactly supported shearlets''%%.

%abbox% %maroon%Abstract%%: Dahlke, Steidl and Teschke recently introduced a continuous shearlet
transform for higher dimensions. In this talk we focus on such
(discrete) shearlet systems in 3D with compact support. We derive
sufficient conditions for so-called cone-adapted shearlet systems to
form a frame and provide explicit estimates for their frame bounds. If
time permits, we also discuss their sparse approximation properties
for representing functions which are {$C^2$}-smooth except on a {$C^2$}
discontinuity surface.\\
(''Oberseminar, 20.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23'')%%
18.04.2010, at 22:34 UTC by 82.113.104.241 -
Changed lines 7-8 from:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''Construction and sparsity of three-dimensional compactly supported shearlets''%%.
to:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April '''20''' on %green%''Construction and sparsity of three-dimensional compactly supported shearlets''%%.
Changed line 15 from:
for representing functions which are C^2-smooth except on a C^2
to:
for representing functions which are {$C^2$}-smooth except on a {$C^2$}
Changed line 17 from:
(''Oberseminar, '''20'''.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23'')%%
to:
(''Oberseminar, 20.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23'')%%
18.04.2010, at 22:06 UTC by 82.113.104.241 -
Changed lines 9-10 from:
%abbox% %maroon%Abstract%%: Will appear here.\\
(''Oberseminar, 19.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15''
)%%
to:
%abbox% %maroon%Abstract%%: Dahlke, Steidl and Teschke recently introduced a continuous shearlet
transform for higher dimensions. In this talk we focus on such
(discrete) shearlet systems in 3D with compact support. We derive
sufficient conditions for so-called cone-adapted shearlet systems to
form a frame and provide explicit estimates for their frame bounds. If
time permits, we also discuss their sparse approximation properties
for representing functions which are C^2-smooth except on a C^2
discontinuity surface.\\
(''Oberseminar, '''20'''.04.2010 at 17:00, Uni. Osnabrück, Building 69/E23
'')%%
18.04.2010, at 19:59 UTC by 82.113.104.241 -
Changed line 7 from:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''Sparsity of three-dimensional compactly supported shearlets''%%.
to:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''Construction and sparsity of three-dimensional compactly supported shearlets''%%.
05.04.2010, at 19:14 UTC by 82.149.190.39 -
Changed line 7 from:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''TBA''%%.
to:
Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''Sparsity of three-dimensional compactly supported shearlets''%%.
05.04.2010, at 18:27 UTC by 82.149.190.39 -
Changed lines 5-6 from:
Our weekly ''Oberseminar Angewandte Analysis'' Mondays 16:15-17:45 (room 69/??) will start again from April 19, 2010.
to:
Our weekly ''Oberseminar Angewandte Analysis'' Mondays 16:15-17:45 (room 69/E15) will start again from April 19, 2010.
Changed lines 10-11 from:
(''Oberseminar, 19.04.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
to:
(''Oberseminar, 19.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
Changed lines 15-17 from:
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
to:
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
Changed line 21 from:
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
to:
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
29.03.2010, at 08:41 UTC by 131.173.40.72 -
Changed lines 18-19 from:
to:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 27 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.

%abbox% %maroon%Abstract%%: Recently introduced multiscale directional representations such as the curvelet and shearlet systems have been shown to be particularly effective at characterizing edge discontinuities of planar regions. In this talk, we show that this approach can be generalized and extended to deal with general singularities not only in the plane but also in higher dimensions. This investigation is motivated by applications in edge detection and feature extraction for 2D and 3D data.
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
Deleted lines 30-34:

Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 27 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.

%abbox% %maroon%Abstract%%: Recently introduced multiscale directional representations such as the curvelet and shearlet systems have been shown to be particularly effective at characterizing edge discontinuities of planar regions. In this talk, we show that this approach can be generalized and extended to deal with general singularities not only in the plane but also in higher dimensions. This investigation is motivated by applications in edge detection and feature extraction for 2D and 3D data.
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
29.03.2010, at 08:40 UTC by 131.173.40.72 -
Changed lines 22-24 from:
Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.
to:
Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''The Pythagorean Theorem for Orthogonal Projections''%%.

%abbox% %maroon%Abstract%%: The Pythagorean Theorem should be known to everyone after completing elementary school. However, its generalization for orthogonal projections might not be widely known among professional mathematicians due to the fact that it was proved only a few years ago. This theorem characterizes diagonals of orthogonal projections in Hilbert spaces and it was shown in 2002 by Kadison. For finitely dimensional spaces this result is a consequence of a more general Schur-Horn Theorem characterizing diagonals of Hermitian matrices with prescribed eigenvalues. In the finite dimensional case diagonals of a projection are numbers between 0 and 1 summing up to an integer. However, the infinite dimensional case, though simple in formulation, is a much deeper result. In this talk we shall describe Kadison's theorem and some newer results characterizing diagonals of self-adjoint operators with prescribed spectrum.
29.03.2010, at 08:39 UTC by 131.173.40.72 -
Changed lines 12-14 from:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%:Will appear here.\\
to:
%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''Constructing Fusion Frames''%%.

%abbox% %maroon%Abstract%%: Following their introduction by Casazza and Kutyniok, tight fusion frames have been shown to be robust against additive noise and erasures and thus are well suited for applications in communications or compressed sensing. An important method for deriving fusion frames is the spectral tetris construction recently introduced by Casazza, Fickus, Mixon, Wang and Zhou. In this talk we will show how this tool can be used to construct fusion frames with desired properties, such as predetermined ranks of the projection operators or predetermined eigenvalues of the fusion frame operator.\\
17.03.2010, at 10:22 UTC by 131.173.40.72 -
Changed line 28 from:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 14 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
to:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 27 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
23.02.2010, at 13:10 UTC by 131.173.40.72 -
Added lines 11-15:

%maroon%'''Andreas Heinecke'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on April 26 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%:Will appear here.\\
(''Oberseminar, 26.04.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
23.02.2010, at 12:03 UTC by 131.173.40.72 -
Added lines 6-12:

Dr. %maroon%'''Jakob Lemvig'''%% (Uni. Osnabrück) will give a talk in the AAG Oberseminar on April 19 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.\\
(''Oberseminar, 19.04.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
23.02.2010, at 08:09 UTC by 131.173.40.72 -
Changed lines 5-17 from:
Our weekly ''Oberseminar Angewandte Analysis'' Thursdays 16:15-17:45 (room 69/E15) will start again from January 21, 2010.

Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 28 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.

%abbox% %maroon%Abstract%%: In this talk will discuss two recent topics in sparse recovery. Many types of real-world signals (e.g. sounds, images, video) can be viewed as an {$n$}-dimensional vector of real numbers, where usually {$n$} is really large, that is "compressible". Sparsity is a simple but effective model for many real-life signals. Compressed sensing (CS) concerns linear algebra and underdetermined linear equations with a sparsity constraint. First we will discuss compressed sensing and its applications in different area of mathematics, especially the possible connection to PDEs using finite elements. In the second part of this talk, we will consider the Kronecker product of matrices. We discuss different sparsity measures such as restricted isometry property (RIP), null space property (NSP), mutual incoherence, spark and their connections and how these measures behave in the case where the matrix is the Kronecker product of matrices.
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 66/101'')%%

Prof. Dr. %maroon%'''Pete Casazza'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on February 4 on %green%''Signal Reconstruction without Phase''%%.

%abbox% %maroon%Abstract%%: A 50 year old problem in Engineering asks: Can we do signal reconstruction
without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.\\
(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
Our weekly ''Oberseminar Angewandte Analysis'' Mondays 16:15-17:45 (room 69/??) will start again from April 19, 2010.
Added lines 31-42:
Prof. Dr. %maroon%'''Pete Casazza'''%% (Uni. Missouri) gave a talk in the AAG Oberseminar on February 4 on %green%''Signal Reconstruction without Phase''%%.

%abbox% %maroon%Abstract%%: A 50 year old problem in Engineering asks: Can we do signal reconstruction
without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.\\
(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%



Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) gave a talk in the AAG Oberseminar on January 28 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.

%abbox% %maroon%Abstract%%: In this talk will discuss two recent topics in sparse recovery. Many types of real-world signals (e.g. sounds, images, video) can be viewed as an {$n$}-dimensional vector of real numbers, where usually {$n$} is really large, that is "compressible". Sparsity is a simple but effective model for many real-life signals. Compressed sensing (CS) concerns linear algebra and underdetermined linear equations with a sparsity constraint. First we will discuss compressed sensing and its applications in different area of mathematics, especially the possible connection to PDEs using finite elements. In the second part of this talk, we will consider the Kronecker product of matrices. We discuss different sparsity measures such as restricted isometry property (RIP), null space property (NSP), mutual incoherence, spark and their connections and how these measures behave in the case where the matrix is the Kronecker product of matrices.
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 66/101'')%%
25.01.2010, at 18:50 UTC by 82.149.182.176 -
Changed line 10 from:
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 69/101'')%%
to:
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 66/101'')%%
25.01.2010, at 12:56 UTC by 131.173.40.72 -
Changed lines 7-10 from:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.

%abbox% %maroon%Abstract%%: Will appear here.
(''Oberseminar, 29.01.2010 at 14:15, Uni. Osnabrück, Building 69/118''
)%%
to:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 28 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.

%abbox% %maroon%Abstract%%: In this talk will discuss two recent topics in sparse recovery. Many types of real-world signals (e.g. sounds, images, video) can be viewed as an {$n$}-dimensional vector of real numbers, where usually {$n$} is really large, that is "compressible". Sparsity is a simple but effective model for many real-life signals. Compressed sensing (CS) concerns linear algebra and underdetermined linear equations with a sparsity constraint. First we will discuss compressed sensing and its applications in different area of mathematics, especially the possible connection to PDEs using finite elements. In the second part of this talk, we will consider the Kronecker product of matrices. We discuss different sparsity measures such as restricted isometry property (RIP), null space property (NSP), mutual incoherence, spark and their connections and how these measures behave in the case where the matrix is the Kronecker product of matrices.
(''Oberseminar, 28.01.2010 at 14:15, Uni. Osnabrück, Building 69/101
'')%%
21.01.2010, at 19:19 UTC by 82.149.190.204 -
Changed line 7 from:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date change) on %green%''Sparsity and Kronecker Products''%%.
to:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date, time, and room change) on %green%''Sparsity and Kronecker Products''%%.
21.01.2010, at 19:19 UTC by 82.149.190.204 -
Deleted lines 6-33:

Prof. %maroon%'''Gitta Kutyniok'''%% will give a talk in the AAG Oberseminar on January 21 on %green%''Frames, Fusion Frames, and Sparse Recovery''%%.

%abbox% %maroon%Abstract%%:
This talk will discuss two recent results in frame and fusion frame theory:\\
''Frames'' have been a focus of study in the last two decades in applications where
redundancy plays a vital and useful role. However, although the notion of redundancy
is at the heart of frame theory, in the case of finite frames, no quantitative notion
has been established yet.\\
In the first part of this talk, we introduce and discuss a list of desiderata a
rationally defined quantitative notion of redundancy for a finite frame shall satisfy.
We then propose a notion of upper and lower redundancy which, in particular, satisfies
all properties advocated in the desiderata. This is joint work with Bernhard Bodmann and
Peter Casazza.\\
As technology progresses, signals and computational sensing equipment becomes
increasingly multidimensional. Sensors are being replaced by sensor arrays and
samples are being replaced by multidimensional measurements. Yet, modern signal
acquisition theory has not fully embraced the new computational sensing paradigm.
''Fusion frames'' are recently emerged mathematical structures that can better capture
the richness of natural and man-made signals compared to classically used
representations.\\
In the second part of this talk, we will introduce the notion of fusion frames
and discuss several results on sparse recovery using fusion frame expansions in both
a worst-case and an average-case analysis framework. This is joint work with Petros
Boufounos and Holger Rauhut.\\
(''Oberseminar, 21.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
Added lines 41-70:


Prof. %maroon%'''Gitta Kutyniok'''%% gave a talk in the AAG Oberseminar on January 21 on %green%''Frames, Fusion Frames, and Sparse Recovery''%%.

%abbox% %maroon%Abstract%%:
This talk will discuss two recent results in frame and fusion frame theory:\\
''Frames'' have been a focus of study in the last two decades in applications where
redundancy plays a vital and useful role. However, although the notion of redundancy
is at the heart of frame theory, in the case of finite frames, no quantitative notion
has been established yet.\\
In the first part of this talk, we introduce and discuss a list of desiderata a
rationally defined quantitative notion of redundancy for a finite frame shall satisfy.
We then propose a notion of upper and lower redundancy which, in particular, satisfies
all properties advocated in the desiderata. This is joint work with Bernhard Bodmann and
Peter Casazza.\\
As technology progresses, signals and computational sensing equipment becomes
increasingly multidimensional. Sensors are being replaced by sensor arrays and
samples are being replaced by multidimensional measurements. Yet, modern signal
acquisition theory has not fully embraced the new computational sensing paradigm.
''Fusion frames'' are recently emerged mathematical structures that can better capture
the richness of natural and man-made signals compared to classically used
representations.\\
In the second part of this talk, we will introduce the notion of fusion frames
and discuss several results on sparse recovery using fusion frame expansions in both
a worst-case and an average-case analysis framework. This is joint work with Petros
Boufounos and Holger Rauhut.\\
(''Oberseminar, 21.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%

21.01.2010, at 19:18 UTC by 82.149.190.204 -
Changed line 35 from:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date change) on %green%''TBA''%%.
to:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date change) on %green%''Sparsity and Kronecker Products''%%.
21.01.2010, at 11:07 UTC by 131.173.40.72 -
Changed line 35 from:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 28 on %green%''TBA''%%.
to:
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 29 (NOTE! Date change) on %green%''TBA''%%.
21.01.2010, at 11:06 UTC by 131.173.40.72 -
Changed line 38 from:
(''Oberseminar, 28.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
to:
(''Oberseminar, 29.01.2010 at 14:15, Uni. Osnabrück, Building 69/118'')%%
07.01.2010, at 11:50 UTC by 131.173.40.72 -
Changed lines 54-55 from:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 14 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
to:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 14 2010 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
Changed line 57 from:
(''Oberseminar, 14.06.2009 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
to:
(''Oberseminar, 14.06.2010 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
07.01.2010, at 11:50 UTC by 131.173.40.72 -
Changed lines 3-4 from:
! AAG Oberseminar in Applied Analysis [[#oberseminar]]
to:
[[#oberseminar]]
! AAG Oberseminar in Applied Analysis
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! Other Upcoming talks [[#upcoming]]
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[[#upcoming]]
! Other Upcoming talks
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! Past talks [[#pasttalks]]
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[[#pasttalks]]
! Past talks
07.01.2010, at 11:15 UTC by 131.173.40.72 -
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representations.(:nl:)
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representations.\\
07.01.2010, at 11:15 UTC by 131.173.40.72 -
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''Frames'' have been a focus of study in the last two decades in applications where
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''Frames'' have been a focus of study in the last two decades in applications where
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-> As technology progresses, signals and computational sensing equipment becomes
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As technology progresses, signals and computational sensing equipment becomes
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representations.\\
to:
representations.(:nl:)
07.01.2010, at 11:15 UTC by 131.173.40.72 -
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->''Frames'' have been a focus of study in the last two decades in applications where
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''Frames'' have been a focus of study in the last two decades in applications where
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->In the first part of this talk, we introduce and discuss a list of desiderata a
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In the first part of this talk, we introduce and discuss a list of desiderata a
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->As technology progresses, signals and computational sensing equipment becomes
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-> As technology progresses, signals and computational sensing equipment becomes
07.01.2010, at 11:14 UTC by 131.173.40.72 -
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''Frames'' have been a focus of study in the last two decades in applications where
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->''Frames'' have been a focus of study in the last two decades in applications where
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In the first part of this talk, we introduce and discuss a list of desiderata a
to:
->In the first part of this talk, we introduce and discuss a list of desiderata a
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As technology progresses, signals and computational sensing equipment becomes
to:
->As technology progresses, signals and computational sensing equipment becomes
07.01.2010, at 11:13 UTC by 131.173.40.72 -
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This talk will discuss two recent results in frame and fusion frame theory:
to:
This talk will discuss two recent results in frame and fusion frame theory:\\
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representations.
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representations.\\
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Boufounos and Holger Rauhut.
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Boufounos and Holger Rauhut.\\
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without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.
to:
without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.\\
07.01.2010, at 11:12 UTC by 131.173.40.72 -
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has been established yet.
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has been established yet.\\
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Peter Casazza.
to:
Peter Casazza.\\
06.01.2010, at 10:37 UTC by 131.173.40.72 -
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Prof. %maroon%'''Gitta Kutyniok'''%% will give a talk in the AAG Oberseminar on January 21 on %green%''TBA''%%.
to:
Prof. %maroon%'''Gitta Kutyniok'''%% will give a talk in the AAG Oberseminar on January 21 on %green%''Frames, Fusion Frames, and Sparse Recovery''%%.
06.01.2010, at 10:36 UTC by 131.173.40.72 -
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#In the first part of this talk, we introduce and discuss a list of desiderata a
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In the first part of this talk, we introduce and discuss a list of desiderata a
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#In the second part of this talk, we will introduce the notion of fusion frames
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In the second part of this talk, we will introduce the notion of fusion frames
06.01.2010, at 10:36 UTC by 131.173.40.72 -
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*''Frames'' have been a focus of study in the last two decades in applications where
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''Frames'' have been a focus of study in the last two decades in applications where
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In the first part of this talk, we introduce and discuss a list of desiderata a
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#In the first part of this talk, we introduce and discuss a list of desiderata a
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In the second part of this talk, we will introduce the notion of fusion frames
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#In the second part of this talk, we will introduce the notion of fusion frames
06.01.2010, at 10:35 UTC by 131.173.40.72 -
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Our weekly ''Oberseminar Angewandte Analysis'' Thursdays 16:15-17:45 (room 69/??) will start again from January 21, 2010.
to:
Our weekly ''Oberseminar Angewandte Analysis'' Thursdays 16:15-17:45 (room 69/E15) will start again from January 21, 2010.


Prof. %maroon%'''Gitta Kutyniok'''%% will give a talk in the AAG Oberseminar on January 21 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%:
This talk will discuss two recent results in frame and fusion frame theory:
*''Frames'' have been a focus of study in the last two decades in applications where
redundancy plays a vital and useful role. However, although the notion of redundancy
is at the heart of frame theory, in the case of finite frames, no quantitative notion
has been established yet.

In the first part of this talk, we introduce and discuss a list of desiderata a
rationally defined quantitative notion of redundancy for a finite frame shall satisfy.
We then propose a notion of upper and lower redundancy which, in particular, satisfies
all properties advocated in the desiderata. This is joint work with Bernhard Bodmann and
Peter Casazza.
As technology progresses, signals and computational sensing equipment becomes
increasingly multidimensional. Sensors are being replaced by sensor arrays and
samples are being replaced by multidimensional measurements. Yet, modern signal
acquisition theory has not fully embraced the new computational sensing paradigm.
''Fusion frames'' are recently emerged mathematical structures that can better capture
the richness of natural and man-made signals compared to classically used
representations.

In the second part of this talk, we will introduce the notion of fusion frames
and discuss several results on sparse recovery using fusion frame expansions in both
a worst-case and an average-case analysis framework. This is joint work with Petros
Boufounos and Holger Rauhut.
(''Oberseminar, 21.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
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(''Oberseminar, 28.01.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
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(''Oberseminar, 28.01.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
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(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%
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(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/E15'')%%
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(''Oberseminar, 14.06.2009 at 16:15, Uni. Osnabrück, Building 69/??'')%%
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(''Oberseminar, 14.06.2009 at 16:15, Uni. Osnabrück, Building 69/TBA'')%%
04.01.2010, at 23:53 UTC by 82.149.177.210 -
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Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June ?? on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
to:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June 14 on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.
04.01.2010, at 23:53 UTC by 82.149.177.210 -
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Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June ?? on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.
(''Oberseminar, ??.06.2009 at ??, Uni. Osnabrück, Building 69/117
'')%%
to:
Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June ?? on %green%''Analysis and identification of multidimensional singularities using directional multiscale representations''%%.

%abbox% %maroon%Abstract%%: Recently introduced multiscale directional representations such as the curvelet and shearlet systems have been shown to be particularly effective at characterizing edge discontinuities of planar regions. In this talk, we show that this approach can be generalized and extended to deal with general singularities not only in the plane but also in higher dimensions. This investigation is motivated by applications in edge detection and feature extraction for 2D and 3D data.
(''Oberseminar, 14.06.2009 at 16:15, Uni. Osnabrück, Building 69/??
'')%%
04.01.2010, at 14:23 UTC by 131.173.40.72 -
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Our weekly Oberseminar Angewandte Analysis Thursdays 16:15-17:45 (room 69/??) will start again from January 21, 2010.
to:
Our weekly ''Oberseminar Angewandte Analysis'' Thursdays 16:15-17:45 (room 69/??) will start again from January 21, 2010.
04.01.2010, at 13:42 UTC by 131.173.40.72 -
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Our weekly Oberseminar Angewandte Analysis Thursdays 16:15-17:45 (room 69/??) will start again from January 21, 2010.
04.01.2010, at 13:41 UTC by 131.173.40.72 -
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! AAG Oberseminar in Applied Analysis
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! AAG Oberseminar in Applied Analysis [[#oberseminar]]
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! Other Upcoming talks
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! Other Upcoming talks [[#upcoming]]
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! Past talks
to:
! Past talks [[#pasttalks]]
04.01.2010, at 13:31 UTC by 131.173.40.72 -
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! Upcoming talks
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! AAG Oberseminar in Applied Analysis
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! Other Upcoming talks
04.01.2010, at 12:52 UTC by 131.173.40.72 -
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!! Oberseminar
to:
%define=abbox block font-size=100pct bgcolor=#eeeeee margin="0.5em 0em 0.5em 0.5em" padding=0.5em width=95pct border="0.5px solid gray"%

! Upcoming talks
Dr. %maroon%'''Sadegh Jokar'''%% (TU Berlin) will give a talk in the AAG Oberseminar on January 28 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.
(''Oberseminar, 28.01.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%

Prof. Dr. %maroon%'''Pete Casazza'''%% (Uni. Missouri) will give a talk in the AAG Oberseminar on February 4 on %green%''Signal Reconstruction without Phase''%%.

%abbox% %maroon%Abstract%%: A 50 year old problem in Engineering asks: Can we do signal reconstruction
without phase? This problem is fundamental to a number of questions in Engineering and Applied Mathematics including the famous "Cocktail Party Problem". We will look at the recent solution to this problem which relies on techniques from Hilbert space frame theory. The emphasis will be on the mathematics underlying the problem and the solution to the corresponding mathematical questions. No previous knowledge is required as all needed ideas will be developed in the talk.
(''Oberseminar, 04.02.2010 at 16:15, Uni. Osnabrück, Building 69/??'')%%


Prof. Dr. %maroon%'''Marcin Bownik'''%% (Uni. Oregon) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on April 21 2010 on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.
(''Kolloquium, Wed. 21.04.2010 at 17:00, Uni. Osnabrück, Building 69/125'')%%


Prof. Dr. %maroon%'''Demetrio Labate'''%% (Uni. Houston) will give a talk in the AAG Oberseminar on June ?? on %green%''TBA''%%.

%abbox% %maroon%Abstract%%: Will appear here.
(''Oberseminar, ??.06.2009 at ??, Uni. Osnabrück, Building 69/117'')%%


>>comment<<
|| 26.10.2009&ndash;31.10.2009 || Prof. [[http://people.math.gatech.edu/~heil/| Christopher Heil]] || Georgia Institute of Technology ||
Prof. Dr. %maroon%'''[[http://people.math.gatech.edu/~heil/| Christopher Heil]]'''%% (Georgia Institute of Technology) will give [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html | Kolloquium]] talk on October 28 on %green%''Music, Time-Frequency Shifts, and Linear Independence''%%.

%abbox% %maroon%Abstract%%: Fourier series provide a way of writing almost any signal as a superposition of pure tones, or musical notes. But this representation is not local, and does not reflect the way that music is actually generated by instruments playing individual notes at different times. We will discuss time-frequency representations, which are a type of local Fourier representation of signals. This gives us a mathematical model for representing music. While the model is crude for music, it is in fact a powerful mathematical representation that has appeared widely throughout mathematics (e.g., partial differential equations), physics (e.g., quantum mechanics), and engineering (e.g., time-varying filtering). We ask one very basic question: are the notes in this representation linearly independent? This seemingly trivial question leads to surprising mathematical difficulties. (''Kolloquium, Wed. 28.10.2009 at 17:00, Uni. Osnabrück, Building 69/125'') %%
>><<


! Past talks
Prof. Dr. %maroon%'''John M. Sullivan'''%% (Technische Universität Berlin) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Dec. 16 2009 on %green%''Geometric Knot Theory''%%.

%abbox% %maroon%Abstract%%: Geometric knot theory is the study of geometric properties of space curves that derive from their topological knottedness. Perhaps the most famous result is the Fary/Milnor theorem relating total curvature to bridge number, but the field can be dated back to work of Pannwitz on quadrisecant lines for knots. There has been a surge of interest in geometric knot theory over the past 15 years, partly due to biophysical applications to the shapes of knotted polymers like DNA molecules. One interesting problem with some surprising answers asks for the shapes of knots and links tied tight in rope of fixed thickness. We will survey recent results on this so-called ropelength problem, as well as some new strengthened versions of the theorems of Pannwitz and Fary/Milnor. We will also give a partial answer to a question of Gromov on distortion of knots. (''Kolloquium, Wed. 16.12.2009 at 17:00, Uni. Osnabrück, Building 69/125'')%%

Dr. %maroon%'''Felix Krahmer'''%% (University of Bonn) gave a talk in the AAG Oberseminar on Dec. 10 2009 on %green%''Lower Bounds for the Error Decay in One-Bit Quantization''%%

%abbox% %maroon%Abstract%%:
Several analog-to-digital conversion methods for bandlimited signals used in applications,
such as {$\Sigma\Delta$} quantization schemes, employ coarse quantization coupled with oversampling.
The standard mathematical model for the error analysis of such methods measures the
performance of a given scheme by the rate at which the associated reconstruction error
decays as a function of the oversampling ratio {$\lambda$}. It was recently shown that exponential
accuracy of the form {$O(2^{-r\lambda})$} can be achieved by appropriate one-bit Sigma-Delta modulation
schemes. However, the best known achievable rate constants {$r$} differ significantly from the
general information theoretic lower bounds. In particular, no lower bounds specific to one-bit
quantization schemes were known. In this talk we show the first such lower bound for the
error decay rate. Our method is based on large deviation estimates. This is joint work with
Rachel Ward.
(''Oberseminar, Thur. 10.12.2009 at 12:00-14:00, Uni. Osnabrück, Building 69/117'')%%

Prof. Dr. %maroon%'''Tomas Sauer'''%% (Justus-Liebig-Universität Gießen) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Dec. 2 2009 on %green%''Subdivision, Factorization and Algebra''%%.

%abbox% %maroon%Abstract%%: Subdision schemes generate curves or surfaces from discrete data by means of repeated local and stationary refinement of that data, based on very simple rules. The initial data can be scalar or vector valued and the vector components can represent multiple data or derivative information. Any investigation of approximation order or smoothness (in the sense of derivatives) of the resulting limit functions naturally leads to factorization properties of certain Laurent polynomials. While in one variable things are still quite simple and all reduces to a linear factor of the form 1+z, the multivariate situation becomes more exciting as now quotient ideals in the ring of Laurent polynomials are involved, a ring that is fundamentally different from the ring of polynomials. In this talk I want to introduce some of these less freightening than natural connections and point out some consequences of this nice connection between analysis and algebra. (''Kolloquium, Wed. 02.12.2009 at 17:00, Uni. Osnabrück, Building 69/125'')%%


Prof. Dr. %maroon%'''Martin Burger'''%% (Universität Münster) gave [[http://www.mathematik.uni-osnabrueck.de/kolloquium.html| Kolloquium]] talk on Nov. 18 2009 on %green%''Medical Mathematics &mdash; A Future Key Discipline''%%

%abbox% %maroon%Abstract%%: In this talk I will discuss some aspects in the interplay of mathematics and medicine with particular focus on two examples from cardiology: (i) The quantitative diagnosis of perfusion with PET techniques, (ii) the characterization and therapy of cardiac arrythmias using ECGI techniques. I shall discuss some mathematical questions arising from those imaging and inversion tasks, related to modelling, analysis, and numerical simulation. Moreover, I will highlight the interactive nature between the formulation of diagnostic targets and (to a lower extent) therapeutic strategies, and the formulation and solution of mathematical problems. This work is based on several collaborations with and data from the University Hospital Muenster and the European Institute for Molecular Imaging, Muenster. (''Kolloquium, Wed. 18.11.2009 at 17:00, Uni. Osnabrück, Building 69/125'') %%


Dr. %maroon%'''Philipp Grohs'''%% (Vienna and Graz University of Technology) gave a talk on Oct. 19 2009 on %green%''Some new results in Shearlet theory''%%

%abbox% %maroon%Abstract%%: The first part of the talk focuses on the question of which conditions
a function {$\psi$} needs to satisfy in order to qualify as a shearlet.
By this we mean that it must be possible to represent any
{$L^2$}-function {$f$} by sheared and scaled translates of {$\psi$} and that
the decay rate of the shearlet coefficients gives precise information
about the microlocal behavior of {$f$}. We show that essentially all
that is needed for {$\psi$} to fulfill these requirements are sufficiently many
anisotropic vanishing moments.
In the second part we adress the problem of combining the shearlet
concept with the concept of Multiresolution Analysis. Our approach is
to construct 'shearlet scaling functions' which satisy a refinement
relation adapted to the shearlet structure. This construction utilizes
a novel kind of subdivision procedure. (''Oberseminar, Mon. 19.10.2009 at 16:15, Uni. Osnabrück, Building 69/E15'') %%
04.01.2010, at 12:48 UTC by 131.173.40.72 -
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!! Oberseminar