Combinatorics Seminar 2017


Speaker: Tullio Ceccherini-Silberstein, Universita' del Sannio

Date: Fri, Sep 22, 2017

Time: 16:00 - 17:30

Venue: Middle Meeting Room

Title: Gromov's Theorem: Asymptotic cones and the proof of the theorem

Abstract:

We discuss ultrafilters, ultrapowers, and asymptotic cones. Then we recall the notion of Hausdorff dimension, Tits' alternative theorem, the Montgomery-Zippin theorem. We complete with a detail account of all steps of the proof of the theorem.


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