Geometry, Topology and Dynamics Seminar
Miklos Abert
University of Chicago
Tree actions and cost of group actions
Abstract: This talk will go into more details of Abert
and Nikolov's proof relating the rank gradient
of a residually finite group, and the cost of
the action on the profinite completion.
Note: This talk is at 4:00 pm, which is not the usual
seminar time.
Wednesday November 29, 2006 at 4:00 PM in SEO 427