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arxiv: 1709.07343 · v4 · submitted 2017-09-21 · 🧮 math.AG · math.NT

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Etale cohomology of diamonds

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classification 🧮 math.AG math.NT
keywords etalecohomologydiamondsformalismspacesfunctorsettingadic
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Motivated by problems on the \'etale cohomology of Rapoport--Zink spaces and their generalizations, as well as Fargues's geometrization conjecture for the local Langlands correspondence, we develop a six functor formalism for the \'etale cohomology of diamonds, and more generally small v-stacks on the category of perfectoid spaces of characteristic $p$. Using a natural functor from analytic adic spaces over $\mathbb Z_p$ to diamonds which identifies \'etale sites, this induces a similar formalism in that setting, which in the noetherian setting recovers the formalism from Huber's book.

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