

Iskovskikh Seminar
December 1, 2011 19:00, Moscow, Steklov Mathematical Institute, room 540






Laumon spaces and representation theory (joint work with B. Feigin, M. Finkelberg and A. Negut)
L. G. Rybnikov^{} ^{} State University – Higher School of Economics

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Abstract:
Laumon spaces are certain smooth closures of the moduli spaces of maps from the projective line to the flag variety. We construct the action of the Yangian of $sl_n$ in the localized equivariant cohomology of Laumon spaces by certain natural correspondences. This gives a natural representationtheoretic explanation of the
appearance of Toda system in quantum cohomology of flag varieties.

