Monthly Archives: November 2013

Notes of Frédéric Bourgeois’ lecture

Posted on November 29, 2013 by metric2011

Derived category of sheaves 1. Generalities on categories The categories we shall encounter are Sets. Top, Diff. Abelian Groups. -modules. Sh, sheaves on . Examples of functors that we shall encounter are Forgetful functor to Sets. . . Sections of … Continue reading →

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Notes of Davide Barilari’s lecture Nr 2

Posted on November 6, 2013 by metric2011

Heat diffusion for generic Riemannian and sub-Riemannian manifolds With Boscain, Charlot, Jendrej, Neel. 1. Motivation Understand interplay between analysis (heat) and geometry (distance, geodesics, curvature). In particular, asymptotics of when lies in the cutlocus of . 1.1. Example : the … Continue reading →

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Notes of Andrei Agrachev’s lecture

Posted on November 6, 2013 by metric2011

Some models of constant curvature in sub-Riemannian geometry This is a reaction on Luca Rizzi’s talk last time (october 22nd). 1. GO spaces V. Berestovskii has classified a class of sub-Riemannian manifolds which I now describe. Definition 1 Say a … Continue reading →

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