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SUMMARY:Wicher Malten (Oxford University)
DTSTART:20210915T200000Z
DTEND:20210915T210000Z
DTSTAMP:20260423T052333Z
UID:MITLie/34
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITLie/34/">
 From braids to transverse slices in reductive groups</a>\nby Wicher Malten
  (Oxford University) as part of MIT Lie groups seminar\n\nLecture held in 
 2-142.\n\nAbstract\nWe explain how group analogues of Slodowy slices arise
  by interpreting certain Weyl group elements as braids. Such slices origin
 ate from classical work by Steinberg on regular conjugacy classes\, and di
 fferent generalisations recently appeared in work by Sevostyanov on quantu
 m group analogues of W-algebras and in work by He-Lusztig on Deligne-Luszt
 ig varieties. Also building upon recent work of He-Nie\, our perspective f
 urnishes a common generalisation and a simple geometric criterion for Weyl
  group elements to yield strictly transverse slices.\n
LOCATION:https://researchseminars.org/talk/MITLie/34/
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