Abstract.
Let G be a reductive group. The geometric Satake equivalence realized the category of representations of the Langlands dual group Ğ in terms of spherical perverse sheaves (or D-modules) on the affine Grassmannian Gr G = G((t))/G[[t]] of the original group G. In the present paper we perform a first step in realizing the category of representations of the quantum group corresponding to Ğ in terms of the geometry of Gr G . The idea of the construction belongs to Jacob Lurie.
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Gaitsgory, D. Twisted Whittaker model and factorizable sheaves. Sel. math., New ser. 13, 617 (2008). https://doi.org/10.1007/s00029-008-0053-0
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DOI: https://doi.org/10.1007/s00029-008-0053-0