BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Sabre//Sabre VObject 4.5.8//EN CALSCALE:GREGORIAN BEGIN:VTIMEZONE TZID:Europe/Zurich X-LIC-LOCATION:Europe/Zurich TZURL:http://tzurl.org/zoneinfo/Europe/Zurich BEGIN:DAYLIGHT TZOFFSETFROM:+0100 TZOFFSETTO:+0200 TZNAME:CEST DTSTART:19810329T020000 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+0200 TZOFFSETTO:+0100 TZNAME:CET DTSTART:19961027T030000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:news1980@dmi.unibas.ch DTSTAMP;TZID=Europe/Zurich:20260205T133612 DTSTART;TZID=Europe/Zurich:20260417T110000 SUMMARY:Seminar in Numerical Analysis: Ari Rappaport (ENSTA\, Institut Poly technique de Paris) DESCRIPTION:In this talk we explore numerical methods to efficiently solve problems related to electromagnetic wave propagation. We focus on tailored discretizations and iterative solvers designed for robustness and paralle l scalability. In the first part\, we present the CHDG method\, a hybridiz able discontinuous Galerkin variant that employs hybrid variables consiste nt with impedance transmission conditions. This formulation leads to a con tractive fixed-point solver composed of two cell-local operators\, making the approach naturally parallelizable. We illustrate the method’s perfor mance using results from a 3D matrix-free implementation and discuss compu tational aspects. In the second part\, we address Maxwell’s equations wi th anisotropic material tensors for the permittivity and permeability. We present preliminary results toward extending a two-level domain decomposit ion analysis from the isotropic to the anisotropic setting and identify th e key assumptions required for this generalization.\\r\\nFor further infor mation about the seminar\, please visit this webpage [https://dmi.unibas.c h/de/forschung/mathematik/seminar-in-numerical-analysis/]. X-ALT-DESC:

In this talk we explore numerical methods to efficiently solv e problems related to electromagnetic wave propagation. We focus on tailor ed discretizations and iterative solvers designed for robustness and paral lel scalability. In the first part\, we present the CHDG method\, a hybrid izable discontinuous Galerkin variant that employs hybrid variables consis tent with impedance transmission conditions. This formulation leads to a c ontractive fixed-point solver composed of two cell-local operators\, makin g the approach naturally parallelizable. We illustrate the method’s perf ormance using results from a 3D matrix-free implementation and discuss com putational aspects. In the second part\, we address Maxwell’s equations with anisotropic material tensors for the permittivity and permeability. W e present preliminary results toward extending a two-level domain decompos ition analysis from the isotropic to the anisotropic setting and identify the key assumptions required for this generalization.

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For further information about the seminar\, please visit this webpage .

DTEND;TZID=Europe/Zurich:20260417T123000 END:VEVENT END:VCALENDAR