Martin Costabel
Date and time
Workshop - Magnetic fields and semi-classical analysis

Several seemingly unrelated linear operators appearing in mathematical physics exhibit similarities in their spectral structure, which is characterized by a particular non-trivial essential spectrum. Examples come from electrodynamics, elasticity theory and fluid dynamics. The point of view of selfadjoint extensions can clarify their relations. In the talk I show recent results about these spectra and explain several open questions.

Joint work with Eric Darrigrand, El-Hadji Koné, Hamdi Sakly, Monique Dauge, Michel Crouzeix.


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Costabel_Magnetic.pdf 1.62 MB