Colloque - Géométrie et spectre des grands objets - Nicola Gigli : De Giorgi and Gromov Working Together
Nicola Gigli
SISSA, Trieste
Résumé
I shall give an overview of basic definitions and results related to weak convergence of manifold/spaces with Ricci curvature bounded from below. A main message I want to convey is that in this situation not only we have spectral convergence, but in fact full convergence of the heat flow. The key underlying notions of convergence here are De Giorgi's Gamma-convergence of lower semicontinuous functionals and Gromov's convergence of geometric structure.
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