Presented by:
Shahar Mozes
Date:
Thursday 6th April 2017 - 11:00 to 12:00
Venue:
INI Seminar Room 2
Abstract:
Given a finite permutation group F on d letters, one can
define a group of automorphism of a d-regular tree whose local action on the
tree is given by the permutation group F. In a joint work with Marc Burger we
determine when the maximal compact subgroup of this group is topologically
finitely generated. This is motivated by studying uniform lattices in the group
of automorphisms of a product of trees.
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