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Metric measure spaces with Riemannian Ricci curvature bounded from below
December 08, 2013 (11:20AM PST - 11:55AM PST)
Giuseppe Savaré (Università di Pavia)
The talk will present some recent results, in collaboration with Luigi Ambrosio and Nicola Gigli,
concerning various characterizations and properties of Riemannian metric measure spaces with a lower bound of the
They can be defined starting from the Lott-Sturm-Villani approach by optimal transport and entropy,
and assuming that the natural Cheeger energy form is quadratic.
We will quickly overview the link with the induced Sobolev spaces,
the Heat flow and the gradient flows in spaces of probability measures,
the stability with respect to Sturm-Gromov-Hausdorff convergence,
the localization and tensorization properties.
The connections with the equivalent Bakry-Emery approach by Dirichlet forms and Gamma-calculus
will also be discussed
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