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SUMMARY:Younghan Yoon
DTSTART:20250531T140500Z
DTEND:20250531T153500Z
DTSTAMP:20260506T222408Z
UID:knotgraphgroup/96
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/knotgraphgro
 up/96/">Weyl Groups and Real Toric Varieties</a>\nby Younghan Yoon as part
  of Knots\, graphs and groups\n\n\nAbstract\nWeyl groups can be understood
  by studying the real toric varieties associated with them.\nIn this talk\
 , we discuss the rational cohomology of these varieties.\nWe present compl
 ete computations of their Betti numbers for all types of Weyl groups.\nFur
 thermore\, for types A and B\, we introduce explicit descriptions of the m
 ultiplicative structures of the cohomology rings in terms of alternating p
 ermutations and B-snakes\, respectively.\n
LOCATION:https://researchseminars.org/talk/knotgraphgroup/96/
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