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On $p$-adic Simpson and Riemann-Hilbert correspondences in the imperfect residue field case (2108.07029v2)
Published 16 Aug 2021 in math.NT
Abstract: Let $K$ be a mixed characteristic complete discrete valuation field with residue field admitting a finite $p$-basis, and let $G_K$ be the Galois group. Inspired by Liu and Zhu's construction of $p$-adic Simpson and Riemann-Hilbert correspondences over rigid analytic varieties, we construct such correspondences for representations of $G_K$. As an application, we prove a Hodge-Tate (resp. de Rham) "rigidity" theorem for $p$-adic representations of $G_K$, generalizing a result of Morita.