Duality for Witt-divisorial sheaves

Published 23 Oct 2019 in math.AG | (1910.10366v3)

Abstract: We adapt ideas from Ekedahl [Eke84] to prove a Serre-type duality for Witt-divisorial sheaves of $\mathbb Q$-Cartier divisors on a smooth projective variety over a perfect field of finite characteristic. We also explain its relationship to Tanaka's vanishing theorems [Tan20].

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Niklas Lemcke

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