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Polya-Szego Inequality and Dirichlet p-Spectral gap for non-smooth spaces with Ricci curvature bounded below

Daniele Semola
Location: 
A-133
Schedule: 
Thursday, February 28, 2019 - 15:30
Abstract: 

In this talk I will present some sharp spectral gap inequalities for the p-Laplace operator with Dirichlet boundary conditions on non smooth spaces with Ricci curvature bounded from below by K>0. These results, obtained in collaboration with Andrea Mondino, extend to this framework the classical ones by Bérard-Meyer and Matei. Attached to the aforementioned inequalities, in the setting of RCD(K,N) spaces we can obtain some rigidity and almost-rigidity results that seem to be new even in the cathegory of smooth Riemannian manifolds.

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