Detailed Program

Monday, 26.02.24

8:00 - 8:50 Registration
8:50 - 9:00 Opening remarks
Plenary Talk (Chair: M. Bachmayr)
9:00 - 10:00 Christoph Ortner Efficient parameterization of many-body interaction
Minisymposium: Parametric Problems and Uncertainty (Chair: M. Dolbeault)
10:30 - 11:00 Karen Veroy-Grepl Model order reduction in the multi-scale materials setting
11:00 - 11:30 Raúl Tempone Stochastic optimal control with exercise rate optimization and Markovian Projections: Pricing American options and importance sampling applications
11:30 - 12:00 Henrik Eisenmann A convergent adaptive finite element stochastic Galerkin method based on multilevel expansions
12:00 - 12:30 Albert Cohen Optimal non-linear dimensionality reduction
Plenary Talk (Chair: Ch. Melcher)
14:30 - 15:30 Katharina Schratz Resonances as a computational tool
Minisymposium: Sparsity and Related Structures in Signal Processing and Data Science (Chair: H. Führ)
16:00 - 16:30 Remi Gribonval Sparsity, a value for the future in frugal learning?
16:30 - 17:00 Felix Voigtländer Approximation properties of complex-valued neural networks
17:00 - 17:30 Christopher Morris Weisfeiler and Leman go sparse: Expressive and scalable graph neural networks
17:30 - 18:00 Konstantin Usevich Neural networks, flexible activation functions, and (multilayer) tensor decompositions
18:00 Reception and Poster Session (SuperC)   Poster abstracts

Tuesday, 27.02.24

Plenary Talk (Chair: H. Rauhut)
9:00 - 10:00 Carola Schönlieb Data-driven regularization for inverse problems - the dos and don’ts
Minisymposium: Mathematics of Deep Learning (Chair: E. M. Achour)
10:30 - 11:00 Etienne Boursier Training overparameterised networks: the early alignment phenomenon and its consequences
11:00 - 11:30 Kathlén Kohn Understanding linear convolutional neural networks via sparse factorizations of real polynomials
11:30 - 12:00 Guido Montúfar Deep linear networks trained with the Bures-Wasserstein loss
12:00 - 12:30 Sebastian U. Stich On gradient methods for non-convex optimization
12:30 Group photo (meeting point: SuperC ground floor)
16:00 Social Events: city tour or cathedral/treasury tour, meeting point: 15:30 at front stairs of RWTH main building, Templergraben 55.
  City tour starting 16:00 at Tourist Info Elisenbrunnen, Friedrich-Wilhelm-Platz 13b.

Cathedral and treasury tour starting 16:00 at Dominformation, Johannes-Paul-II-Straße 1. 
Note that before entering the treasury, any bags, backpacks etc. need to be placed in lockers that require 1€ or 2€ coins.

Wednesday, 28.02.24

Plenary Talk (Chair: D. Robertz)
9:00 - 10:00 Werner Seiler Singularities of algebraic differential equations
Minisymposium: Algebra in Sparsity and Singular Structures (Chair: D. Robertz)
10:30 - 11:10 Nathalie Verdière It’s only a short step from symbolic computation to the estimation of parameters in dynamical systems!
11:10 - 11:50 Yassine El Maazouz The Bernoulli clock: probabilistic and combinatorial interpretations of the Bernoulli polynomials by circular convolution
11:50 - 12:30 André Platzer Differential equation invariance axiomatization
Plenary Talk (Chair: A. Reusken)
14:30 - 15:30 Balazs Kovacs Error analysis for the numerical approximation of dissipative harmonic flows: higher-order methods - nodal constraints
Minisymposium: Analysis and Numerics of Nonlinear and Singular PDEs
16:00 - 16:25 Geneviève Dusson A multipoint perturbation formula for eigenvalue problems
16:25 - 16:50 Yvonne Alama Bronsard Symmetric approximations to nonlinear dispersive equations in non-smooth regimes
16:50 - 17:15 Gaspard Kemlin Numerical simulation of the Gross-Pitaevskii equation via vortex-tracking
17:15 - 17:40 Thiago Carvalho Corso The Dyson equation in linear response time-dependent density functional theory
17:40 - 18:05 Muhammad Hassan The numerical analysis of the coupled cluster method for electronic structure calculations
19:30 Official Dinner (Restaurant Ratskeller, ground floor of Aachen city hall on Markt)

Thursday, 29.02.24

Plenary Talk (Chair: Arie Koster)
9:00 - 10:00 Andreas Wiese Approximation algorithms for packing problems
Minisymposium: Sparsity in Optimization (Chair: Ch. Büsing)
10:30 - 11:10 Laura Vargas-Koch Unsplittable flows in planar graphs
11:10 - 11:50 Clemens Thielen Temporal shortest path interdiction
11:50 - 12:30 Martin Comis Multi-budgeted matching problems
Plenary Talk (Chair: S. Cayci)
14:30 - 15:30 Mark Peletier Singular-limit analysis of training with noise injection
Minisymposium: Kinetic Equations (Chair: M. Torrilhon)
16:00 - 16:30 Katharina Kormann A parallel low-rank Vlasov solver
16:30 - 17:00 Marlies Pirner On multi-species BGK models: Modeling and convergence to equilibrium
17:00 - 17:30 Pia Stammer A hybrid dynamical low-rank approach for transport equations in radiation therapy
17:30 - 18:00 Andrea Hanke Landau and Boltzmann collision operators in the irreducible Burnett ansatz
Closing Remarks