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Euclidean Harmonic Analysis, Nilpotent Lie Groups and PDEs

Isoperimetric Inequalities for Eigenvalues of Operators

speaker: Emmanuel Russ (Université Paul Cézanne)

abstract: We generalize the Rayleigh-Faber-Krahn inequality for the principal eigenvalue of the Dirichlet Laplacian to rather general second order elliptic operators, possibly non-symmetric. The proofs use a new rearrangement technique, different from the Schwarz symmetrization. This is joint work with François Hamel and Nikolai Nadirashvili.

timetable:
Wed 7 Apr, 11:00 - 12:00, Sala Conferenze Centro De Giorgi
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