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Christian Kümmerle

Christian logotum.gif logoMath.gif
Position Former Doctoral Student
E-mail kuemmerleematjhu.edu

My new website can be found at ckuemmerle.com Pfeil.

News

2020
From January Postdoctoral Fellow at Johns Hopkins University, Department of Applied Mathematics & Statistics Pfeil
2019
December 19 Doctoral Defense of my dissertation on Understanding and Enhancing Data Recovery Algorithms: From Noise-Blind Sparse Recovery to Reweighted Methods for Low-Rank Matrix Optimization
October-December Visiting Prof. Mauro Maggioni Pfeil at Johns Hopkins University, Baltimore, USA
September 12-13 Workshop on Low-Rank Models and Applications (LRMA) Pfeil in Mons, Belgium
September 9-11 Visiting Prof. Ivan Markovsky Pfeil at Vrije Universiteit Brussel, Belgium
July 8–12 Invited Talk on Completion of Structured Low-Rank Matrices via Iteratively Reweighted Least Squares at the 13th International Conference on Sampling Theory and Applications (SampTA 2019) Pfeil in Bordeaux, France
2018
December 17–19 Vienna Workshop of Computational Optimization 2018 (VWCO18) Pfeil
November 21–23 iTWIST: international Traveling Workshop on Interactions between low-complexity data models and Sensing Techniques Pfeil, Marseille, France
November 13 Oberseminar talk at the Applied Analysis Seminar Pfeil, Universität Osnabrück
October 14–19 Oberwolfach Seminar: Mathematics of Deep Learning Pfeil
September 12–13 Retreat of the groups of Prof. Holger Rauhut Pfeil and Prof. Rudolf Mathar Pfeil in Spa
August 29–31 EURASIP Summer School Tensor-Based Signal Processing Pfeil
August 1–9 International Congress of Mathematicians 2018 (ICM 2018) Pfeil
July 26–31 Talk at the conference on Asymptotic and Affine Geometric Analysis Pfeil in Rio de Janeiro, Brasil
June 25–29 Visit at the group of Prof. Holger Rauhut Pfeil at RWTH Aachen
June 12–13 Visit at the group of Prof. Daniel Potts Pfeil at TU Chemnitz
June 11 New preprint about A Quotient Property for Matrices with Heavy-Tailed Entries and its Application to Noise-Blind Compressed Sensing Pfeil, joint with Felix Krahmer and Holger Rauhut.
March 25–31 Workshop on Applied Harmonic Analysis and Data Processing Pfeil in Oberwolfach
March 19–23 Talk at the 89th GAMM Annual Meeting Pfeil about "Super-Resolution meets Seismology: Seismic Data Interpolation via Structured Low-Rank Matrix Recovery" in Munich
February 26 – March 2 Poster presentation at the Winter School Modern Methods in Nonsmooth Optimization Pfeil about "Iteratively Reweighted Least Squares Algorithms for Low-Complexity Matrix Recovery Problems" in Würzburg
2017
December 4–8 presenting a poster about The Quotient Property and the Robustness of \ell_1-minimization under Weak Moment Assumptions at the 3. International Matheon Conference on Compressed Sensing and its Applications Pfeil at TU Berlin, Berlin July 13–19 presenting a poster at Foundations of Computational Mathematics 2017 Pfeil in Barcelona, Spain
July 3–7 giving a talk on Harmonic Mean Iteratively Reweighted Least Squares for Low-Rank Matrix Recovery [slides] at the 12th International Conference on Sampling Theory and Applications (SampTA 2017) Pfeil in Tallinn, Estonia
June 5–8 presenting a poster at SPARS 2017 Pfeil in Lisbon, Portugal
March 16 submitted the paper ''Harmonic Mean Iteratively Reweighted Least Squares for Low-Rank Matrix Recovery'' [.pdf] together with my colleague Juliane Sigl. Supplementary code can be found here.
2016
July 18–22 participating in the Summer School on Mathematical Methods for High-Dimensional Data Analysis at TU München
June 27–July 1 participating in the Summer School on Regularization Methods for Machine Learning 2016 Pfeil at University of Genoa, Italy
April 18–22 participating in the Hausdorff School on Low-rank Tensor Techniques in Numerical Analysis and Optimization Pfeil at Universität Bonn
March 14–18 participating in the Workshop on Harmonic Analysis, Graphs and Learning Pfeil, Hausdorff Research Institute for Mathematics, Bonn
February 15–19 participating in the Workshop on Low Complexity Models in Signal Processing Pfeil, Hausdorff Research Institute for Mathematics, Bonn
February 12 co-organizing the Second Workshop Donau-Isar-Inn: WDI² - Approximation Theory and Applications at TU München
January 11–15 participating and presenting a poster at the Winter School on Advances in Mathematics of Signal Processing Pfeil, Hausdorff Research Institute for Mathematics, Bonn
January 4 – April 22 Guest researcher in the Special Trimester Program ”Mathematics of Signal Processing” Pfeil, Hausdorff Research Institute for Mathematics, Bonn
2015
December 7–11 participating in the 2. International Matheon Conference on Compressed Sensing and its Applications Pfeil at TU Berlin, Berlin
December 3–5 attending the Winter School on Compressed Sensing 2015 Pfeil at TU Berlin, Berlin
October 26–30 participating in the conference "Convexity, probability and discrete structures, a geometric view point" Pfeil in Marne-la-Vallée, France
October 1 started his work as a doctoral student at the chair for Applied Numerical Analysis