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DTSTART;TZID=Europe/Paris:20221117T140000
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DTSTAMP:20221118T100408Z
CREATED:20220928T120546Z
LAST-MODIFIED:20221118T100408Z
UID:10836-1668693600-1668697200@lmv.math.cnrs.fr
SUMMARY:EDP : Belhassen Dehman (Univ. Tunis El Manar) : Boundary sidewise observability of the wave equation
DESCRIPTION:In this paper we consider a wave equation on a bounded domain Ω of Rn\, with non homogeneous boundary Dirichlet data g supported on a part of the boundary\, and we prove an observability estimate of this data from the rest of the boundary. This result is obtained under a geometrical condition on the part of the boundary supporting g to be compared to the so-called Geometric Control Condition of Bardos-Lebeau-Rauch\, and on a pseudo-differential condition on g. The proof relies on microlocal arguments and is essentially based on properties of microlocal defect measures.
URL:https://lmv.math.cnrs.fr/evenenement/edp-belhassen-dehman-univ-tunis-el-manar-boundary-sidewise-observability-of-the-wave-equation/
LOCATION:Bâtiment Fermat\, salle 4205
CATEGORIES:Séminaire EDP
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