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Galois and Pro-\'etale Cohomology of Overconvergent de Rham Period Rings

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arxiv 2309.13769 v3 pith:3L22H7XM submitted 2023-09-24 math.NT math.AG

classification math.NTmath.AG
keywords periodoverconvergentcohomologyringsgaloisp-adicrhamsheaves
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Motivated by the theory of p-adic differential equations and p-adic geometric representation theory, we introduce overconvergent variants of Fontaine's classical period rings. In particular, we study the positive overconvergent de Rham period ring, which is the stalk of the structure sheaf of the analytic Fargues-Fontaine curve at infinity. Our main results include the computation of the Galois cohomology of these overconvergent period rings, as well as the cohomology of the associated period sheaves and period structure sheaves.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. A fully faithful p-adic Riemann-Hilbert functor for coadmissible D-cap-modules

    math.AG 2025-06 unverdicted novelty 8.0 of 10

    A p-adic Riemann-Hilbert correspondence is established: after base change to the overconvergent almost de Rham period sheaf, the solution functor becomes fully faithful on coadmissible D-modules.

  2. The p-adic Cauchy Theorem and Overconvergent Period Sheaves

    math.NT 2026-06 unverdicted novelty 6.0 of 10

    The horizontal sections functor using the overconvergent de Rham period structure sheaf agrees with Scholze's using OBdR on smooth rigid-analytic varieties, identifying it with the de Rham functor for D-cap-modules.

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