Program

	Mon. 30	Tue. 01	Wed. 02	Thu. 03	Fri. 04
09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00	Welcome & Coffee 13:00 - 13:30 (30min) Welcome & Coffee Wolfgang Dahmen 13:40 - 14:30 (50min) Wolfgang Dahmen Chairperson: Markus Bachmayr These were the days my friend David Krieg 14:30 - 15:00 (30min) David Krieg Chairperson: Markus Bachmayr Recent results about sampling numbers Coffee break 15:00 - 15:30 (30min) Coffee break Geneviève Dusson 15:30 - 16:20 (50min) Geneviève Dusson Chairperson: Markus Bachmayr On nonlinear reduced-order modelling using Wasserstein barycenters	Gabriel Peyré 9:00 - 9:50 (50min) Gabriel Peyré Approximation and Expressive Power of Large Language Models https://albertcohen.sciencesconf.org/data/program/abstract_Peyre_1.txt Coffee break 9:50 - 10:20 (30min) Coffee break Agustín Somacal 10:20 - 11:10 (50min) Agustín Somacal Towards Natural Gradient Descent with momentum Francesc Arándiga 11:10 - 11:40 (30min) Francesc Arándiga A Nonlinear Piecewise Bicubic Interpolation Method for Cell-Averaged Data on Regular Grids https://albertcohen.sciencesconf.org/data/program/abstract_ARANDIGA.pdf Lunch 11:40 - 14:00 (2h20) Lunch Martin Vetterli 14:00 - 14:30 (30min) Martin Vetterli Super Resolution Phase Retrieval for Sparse Signals https://albertcohen.sciencesconf.org/data/program/abstract_VETTERLI.txt Virginie Ehrlacher 14:30 - 15:00 (30min) Virginie Ehrlacher Nonlinear reduced-order modeling approaches for discrete contact models https://albertcohen.sciencesconf.org/data/program/abstract_Ehrlacher.txt Posters and coffee 15:00 - 15:30 (30min) Posters and coffee Mario Ullrich 15:30 - 16:20 (50min) Mario Ullrich How many measurements are needed to learn a vector? https://albertcohen.sciencesconf.org/data/program/abstract_Ullrich.txt Past and future: discussion led by Ron DeVore 16:20 - 17:00 (40min) Past and future: discussion led by Ron DeVore Cocktail 18:00 - 21:00 (3h) Cocktail	Eitan Tadmor 9:00 - 9:50 (50min) Eitan Tadmor Chairperson: Dany Leviatan Swarm-Based Gradient Descent Method for Non-Convex Optimization https://albertcohen.sciencesconf.org/data/program/abstract_Tadmor.txt Coffee break 9:50 - 10:20 (30min) Coffee break Rosa Donat 10:20 - 11:10 (50min) Rosa Donat Chairperson: Dany Leviatan On the use of Multiresolution techniques in Large Scale Optimization Problems Nira Dyn 11:10 - 11:40 (30min) Nira Dyn Chairperson: Dany Leviatan Subdivision schemes — a review https://albertcohen.sciencesconf.org/data/program/Abstract_Dyn_AC2025.pdf Lunch 11:40 - 14:30 (2h50) Lunch Pencho Petrushev 14:30 - 15:00 (30min) Pencho Petrushev Nonlinear approximation in BMO Coffee break 15:00 - 15:30 (30min) Coffee break Jean-Marie Mirebeau 15:30 - 16:20 (50min) Jean-Marie Mirebeau	Andrea Bonito 9:00 - 9:50 (50min) Andrea Bonito Chairperson: Ron DeVore Elliptic PDEs: The Boundary Conditions Escape Plan Coffee break 9:50 - 10:20 (30min) Coffee break Jonathan Siegel 10:20 - 11:10 (50min) Jonathan Siegel Chairperson: Ron DeVore Fourier sampling numbers for Sobolev and Besov spaces Peter Binev 11:10 - 11:40 (30min) Peter Binev Chairperson: Ron DeVore Lunch 11:40 - 14:00 (2h20) Lunch James Nichols 14:00 - 14:30 (30min) James Nichols Abdellah Chkifa 14:30 - 15:00 (30min) Abdellah Chkifa Fast linear-sized sampling for least squares and interpolation https://albertcohen.sciencesconf.org/data/program/abstract_Chkifa.txt Coffee break 15:00 - 15:30 (30min) Coffee break Markus Bachmayr 15:30 - 16:20 (50min) Markus Bachmayr Adaptive methods for problems with infinitely many parameters and their computational complexity	Claire Boyer 9:00 - 9:50 (50min) Claire Boyer Yvon Maday 9:50 - 10:40 (50min) Yvon Maday Coffee break 10:40 - 11:10 (30min) Coffee break Ingrid Daubechies 11:10 - 12:10 (1h) Ingrid Daubechies Manifold Learning: discovering and describing low-dimensional structure in high-dimensional data https://albertcohen.sciencesconf.org/data/program/abstract_Daubechies.txt LJLL picnic 12:30 - 14:00 (1h30) LJLL picnic

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