University of Göttingen - Institute for Numerical and Applied Mathematics
Markus Petz

Current projects
RTG 2088: Discovering structure in complex data: Statistics meets Optimization and Inverse Problems (2015-2024)
DFG Research Training Group
Completed projects
Efficient function reconstruction using eigenfunctions of linear operators (2014-2019)
DFG project
Teaching
Research seminar: Numerical Analysis (English) (WS 2020/2021)
Thursday 12.30 - 14.00, online (2 SWS)
Research seminar: Numerical Analysis (English) (SS 2020)
Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
Research seminar: Numerical Analysis (English) (WS 2019/2020)
Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
Research seminar: Numerical Analysis (English) (SS 2019)
Monday 14.15 - 15.45, MN 68 (2 SWS)
Exercises: Mathematik für Informatik-Anfänger/innen I (MafIA I) - Übung (German) (WS 2018/2019)
Tuesday, 10.15 - 11.45, MN 67 (2 SWS)
Research seminar: Numerical Analysis (English) (WS 2018/2019)
Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
Research seminar: Numerical Analysis (English) (SS 2018)
Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
Workshops
4rd Workshop of the RTG 2088
September 30 - October 2, 2019 in Akademie Waldschlösschen
29. Rhein-Ruhr-Workshop
January 31 - February 1, 2019 in Bestwig
RTG Workshop Sparse Approximation with Exponential Sums and Applications
November 26 - 27, 2018 in Göttingen
3rd Workshop of the RTG 2088 (Talk)
September 24 - 26, 2018 in Bebra
Curves and Surfaces 2018
June 28 - July 4, 2018 in Arcachon
28. Rhein-Ruhr-Workshop (Talk)
February 2 - 3, 2018 in Bestwig
Publications
Exact Reconstruction of Sparse Non-Harmonic Signals from Fourier Coefficients
Markus Petz, Gerlind Plonka, Nadiia Derevianko
University of Göttingen, Institute for Numerical and Applied Mathematics, 2020 (preprint as download)
Optimal Rank-1 Hankel Approximation of Matrices: Frobenius Norm, Spectral Norm and Cadzow's Algorithm
Hanna Knirsch, Markus Petz, Gerlind Plonka
University of Göttingen, Institute for Numerical and Applied Mathematics, 2020 (preprint available at arXiv)
The Difference between Optimal Rank-1 Hankel Approximations in the Frobenius Norm and the Spectral Norm
Hanna Knirsch, Markus Petz, Gerlind Plonka
Proc. Appl. Math. Mech. Volume 20, 85-86, 2020 (DOI 10.1002/pamm.202000085)
Software
Exact Reconstruction of Sparse Non-Harmonic Signals from Fourier Coefficients
Exact Reconstruction of Sparse Non-Harmonic Signals from Fourier Coefficients, implemented in MATLAB.
Markus Petz, Gerlind Plonka, Nadiia Derevianko



M. Sc. Markus Petz

University of Göttingen
Institute for Numerical and Applied Mathematics
Lotzestr. 16-18
37083 Göttingen
Raum 306

Tel.: 0551-39-24591
m.petz AT math.uni-goettingen.de