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SUMMARY:Iva Halacheva (Northeastern University)
DTSTART:20201104T190000Z
DTEND:20201104T200000Z
DTSTAMP:20260423T024748Z
UID:AG-Davis/10
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AG-Davis/10/
 ">Schubert calculus and Lagrangian correspondences</a>\nby Iva Halacheva (
 Northeastern University) as part of UC Davis algebraic geometry seminar\n\
 n\nAbstract\nFor a reductive algebraic group G\, a natural question is to 
 consider the inclusions of partial flag varieties H/Q into G/P and their p
 ullbacks in equivariant cohomology\, in terms of Schubert classes. We will
  look at the case of the symplectic and usual Grassmannian\, and describe 
 the pullback map combinatorially using puzzles. A generalization of this c
 onstruction involves Maulik-Okounkov classes and cotangent bundles of the 
 Grassmannians\, with Lagrangian correspondences playing a key role. This i
 s joint work with Allen Knutson and Paul Zinn-Justin.\n
LOCATION:https://researchseminars.org/talk/AG-Davis/10/
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