Abelian subgroups of Out (F_n)
Time and place
4 PM on Friday, February 26th, 2010; GC 5417
Mark Feighn (Rutgers University, Newark)
Abstract
This is joint work with Michael Handel. The goal is to characterize elements of the outer automorphism group Out(F_n) of a rank n free group F_n in terms of natural dynamical invariants. This is then used to describe abelian subgroups of Out(F_n).
