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SUMMARY:Harry Petyt (Oxford)
DTSTART:20241121T133000Z
DTEND:20241121T143000Z
DTSTAMP:20260423T021035Z
UID:GaTO/115
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GaTO/115/">O
 bstructions to cubulation</a>\nby Harry Petyt (Oxford) as part of Geometry
  and topology online\n\nLecture held in Room B3.02 in the Zeeman Building\
 , University of Warwick.\n\nAbstract\nOne can get a lot of information abo
 ut a group by getting it to act geometrically on a \\(\\mathrm{CAT}(0)\\) 
 cube complex. When this is possible there is a standard framework for tryi
 ng to find the action\, known as Sageev's construction. On the other hand\
 , whilst most groups will not admit such actions\, there is a real lack of
  ways to actually rule out the possibility that they exist. In this talk w
 e give a geometric obstruction to the possibility of cubulating groups.\n\
 nThis is joint work with Zach Munro.\n
LOCATION:https://researchseminars.org/talk/GaTO/115/
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