Workshop on Optimal Sampling for Approximation


When & where

The workshop will take place on March 10, 2022, at Institut Henri Poincaré, Paris.

Room: amphithéâtre Hermite (ground floor).


Presentation of the workshop

The workshop aims at presenting recent advances in approximation of functions using samples, from fundamental results in approximation theory and information based complexity, to practical sampling and recontruction methods.

Organizers: Clémentine Prieur, Anthony Nouy, Guillaume Perrin.


Registration

Registration is free but appreciated.


Schedule


Abstracts

Matthieu Dolbeault (Sorbonne Université, France)
Weighted least-squares for randomised $L^2$ approximation
Abstract

Didier Henrion (CNRS, Université de Toulouse) (web page)
Approximating discontinuous functions with the Christoffel-Darboux polynomial
Abstract

Giovanni Migliorati (Sorbonne Université, France) (web page)

Guillaume Perrin (Université Gustave Eiffel, France) (web page)

Luc Pronzato (CNRS & Univ. Côte d'Azur, France) (web page)

Philipp Trunschke (TU Berlin, Germany) (web page)
Convergence bounds for nonlinear least squares approximation
Abstract

Mario Ullrich (Johannes Kepler University, Linz, Austria) (web page)
Function values are almost optimal for (deterministic) L2-approximation Abstract