[Binghamton Geometry/Topology Seminar] November 6

[Marco Varisco]

BINGHAMTON GEOMETRY/TOPOLOGY SEMINAR
    http://www.math.binghamton.edu/dept/topsem/

Date:  Thursday, November 6, 2008

Time:  2:50 pm

Place:  Library North 2205
  (followed by coffee/tea in the Anderson Reading Room)

Speaker:  Jeremie Brieussel (Cornell University)

Title:  Amenability of directed groups of rooted tree automorphism

Abstract:  I will show that the directed group of automorphism of a
rooted tree is amenable if and only if the valency is bounded.
Depending on time, I will discuss relations with questions about word
growth of groups.