Numerical Waves

6-8 Oct 2021 Nice (France)

Workshop program

Week Wed. 06 Thu. 07 Fri. 08 List

	Wed. 06	Thu. 07	Fri. 08
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	Opening remarks 13:45 - 14:00 (15min) Opening remarks Salle Fizeau V. Dolean/M. Ingremeau Time-harmonic electromagnetic waves in anisotropic media 14:00 - 15:00 (1h) Time-harmonic electromagnetic waves in anisotropic media Salle Fizeau Patrick Ciarlet https://numericalwaves.sciencesconf.org/data/program/Ciarlet_2.pdf Coffee break 15:00 - 15:30 (30min) Coffee break Salle café Stability and convergence of Galerkin discretizations of the Helmholtz equation in piecewise smooth media 15:30 - 16:30 (1h) Stability and convergence of Galerkin discretizations of the Helmholtz equation in piecewise smooth media Salle Fizeau Markus Melenk https://numericalwaves.sciencesconf.org/data/program/Melenk.pdf Eigenvalue and Resonance Asymptotics for the Dirichlet Laplacian in perturbed periodically twisted tubes 16:30 - 17:30 (1h) Eigenvalue and Resonance Asymptotics for the Dirichlet Laplacian in perturbed periodically twisted tubes Salle Fizeau Nicolas Popoff https://numericalwaves.sciencesconf.org/data/program/Popoff_3.pdf Welcome cocktail 18:00 - 19:00 (1h) Welcome cocktail	Multi-Trace FEM-BEM formulation for acoustic scattering by composite objects 9:00 - 10:00 (1h) Multi-Trace FEM-BEM formulation for acoustic scattering by composite objects Salle Fizeau Marcella Bonazzoli https://numericalwaves.sciencesconf.org/data/program/Bonazzoli_presentazione_Num_Waves.pdf Coffee break 10:00 - 10:30 (30min) Coffee break Salle café Matched asymptotic expansions for optical cavities 10:30 - 11:30 (1h) Matched asymptotic expansions for optical cavities Salle Fizeau Zoïs Moitier https://numericalwaves.sciencesconf.org/data/program/Moitier_2.pdf A study of linear dispersive models for nanoplasmonics 11:30 - 12:30 (1h) A study of linear dispersive models for nanoplasmonics Salle Fizeau Claire Scheid https://numericalwaves.sciencesconf.org/data/program/Scheid_2.pdf Lunch break 12:30 - 14:00 (1h30) Lunch break A constructive approach for cross-points treatment in domain decomposition methods for Helmholtz’ equation 14:00 - 15:00 (1h) A constructive approach for cross-points treatment in domain decomposition methods for Helmholtz’ equation Salle Fizeau Anouk Nicolopoulos https://numericalwaves.sciencesconf.org/data/program/Nicolopoulos.pdf Coffee break 15:00 - 15:30 (30min) Coffee break Salle café High-frequency estimates on boundary integral operators for the Helmholtz exterior Neumann problem 15:30 - 16:30 (1h) High-frequency estimates on boundary integral operators for the Helmholtz exterior Neumann problem Salle Fizeau Pierre Marchand https://numericalwaves.sciencesconf.org/data/program/Marchand.pdf A new treatment of cross points in Optimized Schwarz Methods 16:30 - 17:30 (1h) A new treatment of cross points in Optimized Schwarz Methods Salle Fizeau Xavier Claeys https://numericalwaves.sciencesconf.org/data/program/talk_claeys.pdf Invited speakers dinner 19:30 - 21:30 (2h) Invited speakers dinner	Adaptive spectral decomposition for inverse medium problems 9:00 - 10:00 (1h) Adaptive spectral decomposition for inverse medium problems Salle Fizeau Marcus Grote https://numericalwaves.sciencesconf.org/data/program/Grote_1.pdf Coffee break 10:00 - 10:30 (30min) Coffee break Salle café A non-linear variational characterization for Dirac eigenvalues in bounded domains. Application spectral geometric inequalities 10:30 - 11:30 (1h) A non-linear variational characterization for Dirac eigenvalues in bounded domains. Application spectral geometric inequalities Salle Fizeau Thomas Ourmières-Bonafos https://numericalwaves.sciencesconf.org/data/program/Ourmieres.pdf Guaranteed error estimates for high-frequency Helmholtz problems 11:30 - 12:30 (1h) Guaranteed error estimates for high-frequency Helmholtz problems Salle Fizeau Théophile Chaumont-Frélet https://numericalwaves.sciencesconf.org/data/program/chaumontfrelet_numericalwaves.pdf Lunch break 12:30 - 14:00 (1h30) Lunch break On the multiplicity of the second eigenvalue of the Laplacian in non simply connected domains– with some numerics 14:00 - 15:00 (1h) On the multiplicity of the second eigenvalue of the Laplacian in non simply connected domains– with some numerics Salle Fizeau Bernard Helffer https://numericalwaves.sciencesconf.org/data/program/Helffer_3.pdf Closing remarks 15:00 - 15:15 (15min) Closing remarks Salle Fizeau V. Dolean/M. Ingremeau

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