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SUMMARY:Vanishing Elements In Groups - Julian Brough University of Cambrid
 ge
DTSTART:20141024T140000Z
DTEND:20141024T150000Z
UID:TALK55826@talks.cam.ac.uk
CONTACT:Julian Brough
DESCRIPTION:Given a Group G we let cs(G) denote the set of conjugacy class
  sizes. Over the years group theory has allowed us to use the set cs(G) to
  determine properties of the group. In this talk I will discuss a particul
 ar subset corresponding to vanishing elements\, these are conjugacy classe
 s of the group for which there exists a irreducible character which evalua
 tes to zero on the class.\nIn particular I will focus on some of the tools
  that have been developed to study these classes and. Then mention some st
 ructural properties that vanishing classes can determine.
LOCATION:CMS\, MR4
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