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Regular version of the site

Working paper

Mirabolic Satake equivalence and supergroups

Finkelberg M., Braverman A., Ginzburg V., Travkin R.
We construct a mirabolic analogue of the geometric Satake equivalence. We also prove an equivalence that relates representations of a supergroup with the category of GL(N−1,ℂ[[t]])-equivariant perverse sheaves on the affine Grassmannian of GL_N. We explain how our equivalences fit into a more general conjectural framework proposed by D. Gaiotto.