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The motivic Satake equivalence
Published 18 Sep 2019 in math.AG | (1909.08322v3)
Abstract: We refine the geometric Satake equivalence due to Ginzburg, Beilinson-Drinfeld, and Mirkovi\'c-Vilonen to an equivalence between mixed Tate motives on the double quotient $L+ G \backslash LG / L+ G$ and representations of Deligne's modification of the Langlands dual group $\hat G$.
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