Workshops Period III.

June 19, 20, 21

III.2: Approximation Theory


Organizers : 

Workshop description

This workshop will gather experts in approximation theory and related fields. One of the two semi plenary lectures will be delivered by the awardee of the 10th Vasil Popov prize.


Semi-plenary speakers
Invited speakers

Preliminary program

This schedule is preliminary and could be updated.

Monday, June 19
14:00 ~ 15:00 Compositional Sparsity and Model Classes for High-Dimensional Approximation
Wolfgang Dahmen - University of South Carolina, USA
15:00 ~ 15:30 Complex approximation on rational curves
Mihai Putinar - University of California, United States
15:30 ~ 16:00 Optimal Approximation Rates for Deep ReLU Neural Networks on Sobolev Spaces
Jonathan Siegel - Texas A&M University, United States
16:30 ~ 17:00 Metric Approximation of Set-Valued Functions
Nira Dyn - School of Mathematical Sciences, Tel Aviv University, Israel
17:00 ~ 17:30 Approximation of smooth functions by short exponential sums
Gerlind Plonka - University of Goettingen, Germany
17:30 ~ 18:30 Efficient Neural Group Invariant Embeddings
Nadav Dym - Technion, Israel
Tuesday, June 20
14:00 ~ 15:00 TBA
Awardee 10th Popov Prize - TBA, TBA
15:00 ~ 15:30 Polynomial approximation on spaces of homogeneous type
Yuan Xu - University of Oregon, United States
15:30 ~ 16:00 Space-time adaptive low-rank approximation for high-dimensional parabolic PDEs
Markus Bachmayr - RWTH Aachen, Germany
17:00 ~ 17:30 Nonlinear algorithms for state estimation of Hamiltonian systems
Olga Mula - TU Eindhoven, Netherlands
17:30 ~ 18:00 Universal Lower Bounds for Discrete Potentials of Spherical Codes and Designs
Edward Saff - Vanderbilt University, USA
18:00 ~ 18:30 A varifold perspective on discrete surfaces
Blanche Buet - Université Paris Saclay, France
Wednesday, June 21
14:00 ~ 15:00 A Bombieri type inequality and equidistribution of points
Ujué Etayo - Universidad de Cantabria, Spain
15:00 ~ 15:30 Bounded commuting projections for multipatch spaces
Martin Campos Pinto - Max Planck Institute for Plasma Physics, Germany
15:30 ~ 16:00 Gaussian bounds for the heat kernel associated to prolate spheroidal wave functions with applications
Pencho Petrushev - University of South Carolina, USA
16:30 ~ 17:00 Optimal sampling for $L^2$ approximation: from linear to nonlinear models
Anthony Nouy - Nantes Université - Centrale Nantes, France
17:00 ~ 17:30 Nonlinear wavelet and spline approximation in BMO
Kamen Ivanov - Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Bulgaria
17:30 ~ 18:30 Convergence and error analysis of PINNs
Claire Boyer - Sorbonne Université,


All abstracts

View all abstracts of this workshop.