CANCELLED - Zassenhaus Lecture - Mladen Bestvina

January 16, 2020
Wednesday, April 8, 2020 - 4:15pm to 5:15pm
Cockins Hall 240
Bestvina Mladen

Title: Lecture 3. Automorphism Groups of Free Groups

Speaker: Mladen Bestvina - University of Utah 

Abstract: Mapping class groups are very well studied in geometric group theory. The outer automorphism group $Out(F_n)$ of a free group $ F_n$ shows many similarities, but also many important differences, compared to mapping class groups. In this talk, I will focus on the Lipschitz metric on Culler-Vogtmann's Outer space, which is analogous to the Teichmuller metric on the Teichmuller space. I will then outline how one can use the properties of this metric to give a classification of automorphisms of $F_n$.

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