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Tate motives on Witt vector affine flag varieties
Published 5 Mar 2020 in math.AG | (2003.02593v2)
Abstract: Relying on recent advances in the theory of motives we develope a general formalism for derived categories of motives with Q-coefficients on perfect (ind-)schemes. As an application we give a motivic refinement of Zhu's geometric Satake equivalence for Witt vector affine Grassmannians in this set-up.
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