SMS scnews item created by Giles Gardam at Tue 21 Aug 2012 1003
Type: Seminar
Distribution: World
Expiry: 4 Sep 2012
Calendar1: 23 Aug 2012 1300-1400
CalLoc1: Carslaw 351

SUMS: White -- Automorphism groups of rigid vs flexible graphs

Speaker: Graham White

If we take some structure, for instance a graph G, then the set of
transformations of G forms a group under composition. I will discuss
how the behavior of this automorphism group changes between small
rigid objects, for example cycle graphs, and larger, more flexible
objects, like regular trees. We will also look at the quotients of G
by subgroups of the automorphism group, and see what covolumes can be
obtained in each case.

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