Completed projects
Teaching
Workshops
Publications
Software
 | Efficient function reconstruction using eigenfunctions of linear operators (2014-2019) DFG project |
| Research seminar: Numerical Analysis (English) (WS 2016/2017) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (SS 2016) Thursday, 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (WS 2015/2016) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (SS 2015) Monday, 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (WS 2014/2015) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (SS 2014) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Exercises: Mathematik für Informatik-Anfänger/innen II (MafIA II) - Übung 3 (German) (SS 2014) Wednesday, 8.15 - 9.45, MN 68 (2 SWS) |
| Research seminar: Numerical Analysis (English) (WS 2013/2014) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Exercises: Mathematik für Informatik-Anfänger/innen I (MafIA I) - Übung 1 (German) (WS 2013/2014) Wednesday, 8.15 - 9.45, MN 68 (2 SWS) |
| Exercises: Funktionalanalysis - Übung (German) (SS 2013) Wednesday, 10.15 - 11.45, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (SS 2013) Wednesday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Research seminar: Numerical Analysis (English) (WS 2012/2013) Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS) |
| Approximation Methods and Data Analysis (Talk) September 5 - 9, 2016 in Hasenwinkel |
| Joint Annual Meeting of GAMM and DMV 2016 (Talk) March 7 - 11, 2016 in Braunschweig |
| 26. Rhein-Ruhr-Workshop January 29 - 30, 2016 in Bestwig |
| Dagstuhl Seminar 15251: Sparse modelling and multi-exponential analysis (Invited Talk) June 15 - 19, 2015 in Schloss Dagstuhl, Germany |
| Dolomites Research Week on Approximation September 08 - 12, 2014 in Canazei, Italy |
| Mathematical Signal Processing and Phase Retrieval (Talk) September 01 - 03, 2014 in Göttingen |
| 24. Rhein-Ruhr-Workshop (Talk) January 31 - February 01, 2014 in Bestwig |
| First French-German Mathematical Image Analysis Conference January 13 - 15, 2014 in Paris |
| Final Colloquium of the Research Training Group 1023 November 29 - 30, 2013 in Göttingen |
| Statistical Issues in Compressive Sensing November 11 - 13, 2013 in Göttingen |
| Summer School on Applied Analysis 2013 September 23 - 27, 2013 in Chemnitz |
| 23. Rhein-Ruhr-Workshop February 01 - 02, 2013 in Bestwig |
| Goslar Workshop 2012 (Talk) October 17 - 19, 2012 in Goslar (Annual Workshop of the RTG 1023) |
| Advances in Mathematical Image Processing September 04 - 06, 2012 in Göttingen |
| Deterministic sparse FFT for M-sparse vectors Gerlind Plonka, Katrin Wannenwetsch, Annie Cuyt, Wen-Shin Lee Numerical Algorithms 78(1), 133-159, 2018 (revised preprint as download) |
| A sparse Fast Fourier algorithm for real nonnegative vectors Gerlind Plonka, Katrin Wannenwetsch Journal of Computational and Applied Mathematics 321, 532-539, 2017 (preprint as download) |
| Deterministic Sparse FFT Algorithms Katrin Wannenwetsch Dissertation, 2016 (published online on 30 September 2016, http://hdl.handle.net/11858/00-1735-0000-002B-7C10-0) |
| A deterministic sparse FFT algorithm for vectors with small support Gerlind Plonka, Katrin Wannenwetsch Numerical Algorithms 71(4), 889-905, 2016 (preprint as download) |
| Deterministic sparse FFT algorithms Gerlind Plonka, Katrin Wannenwetsch Proc. Appl. Math. Mech. Volume 15, Issue 1, pp. 667-668, October 2015 (DOI: 10.1002/pamm.201510323, preprint as download) |
| A deterministic sparse FFT algorithm for vectors with short support Gerlind Plonka, Katrin Wannenwetsch Oberwolfach Reports, Volume 38, pp. 41-44, 2015 |
| Sparse FFT (small support) A new deterministic sparse FFT algorithm for vectors with small support. Katrin Wannenwetsch, Gerlind Plonka |
| Sparse FFT (real non-negative) A new deterministic sparse FFT algorithm for real non-negative vectors. Katrin Wannenwetsch, Gerlind Plonka |
| Deterministic Sparse FFT Deterministic sparse FFT for M-sparse vectors, implemented in MATLAB. Gerlind Plonka, Katrin Wannenwetsch |
Dr. Katrin Wannenwetsch