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CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:Topological finite generation of certain compact o
pen subgroups of tree automorphisms. - Shahar Moze
s (Hebrew University of Jerusalem)
DTSTART;TZID=Europe/London:20170406T110000
DTEND;TZID=Europe/London:20170406T120000
UID:TALK71906AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/71906
DESCRIPTION:Given a finite permutation group F on d letters\,
one can define a group of automorphism of a d-regu
lar tree whose local action on the tree is given b
y the permutation group F. In a joint work with Ma
rc Burger we determine when the maximal compact su
bgroup of this group is topologically finitely gen
erated. This is motivated by studying uniform latt
ices in the group of automorphisms of a product of
trees.
LOCATION:Seminar Room 2\, Newton Institute
CONTACT:INI IT
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