Geometric control condition for the wave equation with a time-dependent observation domain

24 Apr 2017 Rousseau Jérôme Le LAGA, IUF Lebeau Gilles JAD Terpolilli Peppino CSTJF Trélat Emmanuel IUF, LJLL

We characterize the observability property (and, by duality, the controllability and the stabilization) of the wave equation on a Riemannian manifold $\Omega,$ with or without boundary, where the observation (or control) domain is time-varying. We provide a condition ensuring observability, in terms of propagating bicharacteristics... (read more)

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