Universität Bonn

Workshop on Harmonic Analysis, Graphs and Learning

March 14-18, 2016

Kleiner Hörsaal, Wegelerstr. 10

Organizers: 

Massimo Fornasier, Mauro Maggioni, Holger Rauhut, Thomas Strohmer

Invited Speakers: 

  • Akram Aldroubi (Vanderbilt University)
  • Radu Balan (University of Maryland)
  • Afonso Bandeira (MIT)
  • Holger Boche (TU München)
  • Helmut Bölcskei (ETH Zurich)
  • Joan Bruna (UC Berkeley)
  • Robert Calderbank (Duke University)
  • Stephan Dahlke (Philipps-Universität Marburg)
  • Ingrid Daubechies (Duke University)
  • Christine De Mol (Université Libre de Bruxelles)
  • Pascal Frossard (EPF Lausanne)
  • Philipp Grohs (ETH Zürich)
  • Matthias Hein (Universität des Saarlandes)
  • Gitta Kutyniok (TU Berlin)
  • Gilad Lerman (University of Minnesota)
  • Yue Lu (Harvard University)
  • Andrea Montanari (Stanford University)
  • Alain Pajor (University of Paris-Est Marne la Vallée)
  • Naoki Saito (University of California Davis)
  • Tomas Sauer (Universität Passau)
  • Gabriele Steidl (TU Kaiserslautern)
  • Ronen Talmon (Technion Haifa)
  • Vladimir Temlyakov (University of South Carolina)
  • Joel Tropp (Caltech)
  • Pierre Vandergheynst (EPF Lausanne)
  • Rachel Ward (University of Texas at Austin)

Schedule

Monday, March 14

10:15 - 10:45 Registration & Welcome coffee
10:45 - 10:55 Opening remarks
10:55 - 11:40 Joel Tropp: Universality laws for randomized dimension reduction
11:45 - 12:30 Rachel Ward: Some recent results in hashing and clustering
12:35 - 14:20 Lunch break
14:20 - 15:05 Gilad Lerman: Fast, Robust and Non-convex Subspace Recovery
15:10 - 15:55 Andrea Montanari: Graph estimation via semi-definite programming
16:00 - 16:30 Coffee break
16:30 - 17:15 Naoki Saito: Matrix Data Analysis using Hierarchical Co-Clustering and Multiscale Basis Dictionaries on Graphs
afterwards Reception at HIM (Poppelsdorfer Allee 45)

Tuesday, March 15

9:00 - 9:45 Radu Balan: Lipschitz analysis of the phase retrieval problem
9:50 - 10:35 Vladimir Temlyakov: Dictionary descent in optimization
10:40 - 11:10 Group photo and coffee break
11:10 - 11:55 Afonso Bandeira: On solving certain semidefinite programs with low-rank solutions
12:00 - 12:45 Stephan Dahlke: Shearlet Coorbit Spaces and Shearlet Groups
12:50 - 14:20 Lunch break
14:20 - 16:00 Poster Session
16:00 - 16:30 Coffee break
16:30 - 17:15 Gitta Kutyniok: Optimal Compressive Imaging of Fourier Data

Wednesday, March 16

9:00 - 9:45 Gabriele Steidl: Variational Models for Restoring Manifold-Valued Images
9:50 - 10:35 Holger Boche: Banach-Steinhaus Theory Revisited: Lineability, Spaceability, and related Questions for Phase Retrieval Problems for Functions with finite Energy
10:40 - 11:10 Coffee break
11:10 - 11:55 Pascal Frossard: Sparse representation learning for graph signals
12:00 - 12:45 Tomas Sauer: Learning sparse exponentials from discrete data
12:50 - 14:20 Lunch break
14:20 - 15:05 Robert Calderbank: GraphConnect: A Framework for Regularizing Neural Networks
afterwards Excursion: Exhibition "M.C. Escher" (Max Ernst Museum Brühl)
19:00 - Conference dinner in the Restaurant Meyer's (Clemens-August-Str. 51a)

Thursday, March 17

9:00 - 9:45 Joan Bruna: Signal Recovery from Scattering Convolutional Networks
9:50 - 10:35 Helmut Bölcskei: Deep convolutional feature extraction: Theory and new architectures
10:40 - 11:10 Coffee break
11:10 - 11:55 Ronen Talmon: Hierarchical Coupled Geometry for Data-driven Analysis of Dynamical Systems
12:00 - 12:45 Yue Lu: Dynamics of Online M-Estimation for High-Dimensional Regression: the ODE Approach
12:50 - 14:20 Lunch break
14:20 - 15:05 Matthias Hein: A nodal domain theorem and a higher-order Cheeger inequality for the graph p-Laplacian - CANCELLED -
15:10 - 15:55 Akram Aldroubi: Iterative actions of normal operators
16:00 - 16:30 Coffee break
16:30 - 17:15 Pierre Vandergheynst: Random sampling of bandlimited signals on graphs

Friday, March 18

9:00 - 9:45 Alain Pajor: On the covariance matrix - CANCELLED -
9:50 - 10:35 Christine De Mol: Combining information or forecasts for predicting economic variables
10:40 - 11:10 Coffee break
11:10 - 11:55 Philipp Grohs: Perspectives of Computational Harmonic Analysis in Numerics
12:00 - 12:45 Ingrid Daubechies / Rima Alaifari: Phase retrieval in the infinite-dimensional setting
12:50 - Lunch break - end of workshop

Participants

Person
Affiliation
Period of stay
Rima Alaifari ETH Zürich
Giacomo Albi Technische Universität München
Akram Aldroubi Vanderbilt University
Radu Balan University of Maryland
Afonso Bandeira Massachusetts Institute of Technology
Holger Boche Technische Universität München
Mattia Bongini Technische Universität München
Jean-Luc Bouchot RWTH Aachen University
Claire Boyer Institut de Mathématiques de Toulouse (IMT)
Joan Bruna UC Berkeley
Tatiana Alessandra Bubba University of Ferrara
Helmut Bölcskei ETH Zurich
Robert Calderbank Duke University
Yutong Chen Princeton University
Alexander Cloninger Yale University
Stephan Dahlke Philipps-Universität Marburg
Ingrid Daubechies Duke University
Christine De Mol Université Libre de Bruxelles
Sjoerd Dirksen RWTH Aachen University
Monika Dörfler University of Vienna
Michela Egidi Technische Universität Chemnitz
Jonathan Fell RWTH Aachen University
Axel Flinth Technische Universität Berlin
Massimo Fornasier Technische Universität München
Pascal Frossard EPFL
Jochen Garcke Universität Bonn & Fraunhofer Institut SCAI
Martin Genzel Technische Universität Berlin
Arash Ghaani Farashahi University of Vienna
Ilaria Giulini INRIA Saclay
Philipp Grohs ETH Zurich
David Gross University of Cologne
Silja Gütschow Universität Passau
Markus Hansen Technische Universität München
Matthias Hein Saarland University
Thang Huynh New York University
Rodrigo Iza-Teran Fraunhofer Institut SCAI
Bangti Jin University College London
Hans Christian Jung RWTH Aachen
Peter Jung Technische Universität Berlin
Dominik Jüstel Technische Universität München
Maryia Kabanava RWTH Aachen University
Illia Karabash University of Lübeck
Sandra Keiper Technische Universität Berlin
Zeljko Kereta ETH Zürich
Emily King Universität Bremen
Anton Kolleck Technische Universität Berlin
Felix Krahmer Technische Universität München
Gitta Kutyniok Technische Universität Berlin
Christian Kümmerle Technische Universität München
Richard Küng Universität zu Köln
Roy R. Lederman Princeton University
Dae Gwan Lee Jacobs University
Gilad Lerman University of Minnesota
Wenjing Liao Duke University
Yue Lu Harvard University
Mauro Maggioni Duke University
Johannes Maly TU München
Andrea Montanari Stanford University
James Murphy University of Maryland / Duke University
Valeriya Naumova Simula Research Laboratory AS
Ulrich von der Ohe Universität Osnabrück
Alain Pajor University of Paris-Est Marne la Vallée
Holger Rauhut RWTH Aachen
Rishi Relan Vrije Universiteit Brussel
Naoki Saito University of California, Davis
Palina Salanevich Jacobs University Bremen
Michael Sandbichler University of Innsbruck
Tomas Sauer University of Passau
Juliane Sigl Technische Universität München
Gabriele Steidl TU Kaiserslautern
Stefan Steinerberger Yale University
Zeljka Stojanac RWTH Aachen University
Alexander Stollenwerk RWTH Aachen University
Dominik Stöger TU München
Qiyu Sun University of Central Florida
Ronen Talmon Technion - IIT
Ezra Tampubolon Technische Universität München
Vladimir Temlyakov University of South Carolina
Ulrich Terstiege RWTH Aachen University
Sergey Tikhonov ICREA and Centre de Recerca Matemàtica
Bruno Torresani Aix-Marseille Université
Joel Tropp Caltech
Frank Vallentin Universität zu Köln
Pierre Vandergheynst Ecole Polytechnique Fédérale de Lausanne
Ivan Veselic TU Chemnitz
Stefano Vigogna Duke University
Philipp Walk California Institute of Technology
Rachel Ward University of Texas at Austin
Thomas Wiatowski ETH Zurich
Yin Xian Duke University
Weiqi Zhou Jacobs University Bremen