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UID:20250802T080803EDT-25655N2diK@132.216.98.100
DTSTAMP:20250802T120803Z
DESCRIPTION:CIRGET/LACIM Algebraic Geometry Seminar\n\nTitle: An analogue o
 f Whittaker reduction for group-valued moment maps\n\nAbstract: Let G be a
  semisimple complex group and let M be a Hamiltonian G-space. Whittaker re
 duction is a type of Hamiltonian reduction along Slodowy slices that encod
 es the Poisson geometry of M in the direction transverse to the action of 
 G. We construct a multiplicative analogue of this reduction in the setting
  of Poisson-Lie groups\, where the moment map takes values in the group G 
 (rather than in the dual of its Lie algebra). Whittaker reduction then occ
 urs along a class of transversal slices to unipotent orbits in G which gen
 eralize the Steinberg\n\ncrosssection and are indexed by conjugacy classes
  in the Weyl group.\n\nLocation: UQAM PK-5675\n
DTSTART:20250219T190000Z
DTEND:20250219T200000Z
SUMMARY:Ana Balibanu (Louisiana State University)	 	
URL:/mathstat/channels/event/ana-balibanu-louisiana-st
 ate-university-363704
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