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SUMMARY:The Saxl graph of a permutation group
DTSTART:20190305T140000
DTEND:20190305T150000
DTSTAMP:20260925T061630Z
UID:e0a7a067f9471589eadef2a0a650054d03d349e907dbaa1b824f5586
CATEGORIES:Conferences - Seminars
DESCRIPTION:Tim Burness (Bristol)\nLet G be a permutation group on a set X
  and recall that a subset of X is called a base for G if its pointwise sta
 biliser is trivial. If G has a base of size 2\, then we can associate a gr
 aph to G\, with vertex set X and two points joined by an edge if they form
  a base. We call this the Saxl graph of G. In this talk\, I will start wit
 h a brief introduction to bases\, focussing on primitive groups and probab
 ilistic methods. I will then introduce the Saxl graph and we will discuss 
 some concrete examples and basic properties. I will finish by highlighting
  some recent results and open problems. This is joint work with Michael Gi
 udici.
LOCATION:PH H3 33 https://plan.epfl.ch/?room==PH%20H3%2033
STATUS:CONFIRMED
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