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We extend the relative theory of admissible pairs and $p$-adic Hodge structures introduced in Part II to allow variation in the underlying local systems of $\mathbb{Q}_p$-vector spaces and isocrystals. This extension accommodates, in…

Number Theory · Mathematics 2026-03-25 Sean Howe , Christian Klevdal

We establish basic results on p-adic shtukas and apply them to the theory of local and global Shimura varieties, and on their interrelation. We construct canonical integral models for (local, and global) Shimura varieties of Hodge type with…

Number Theory · Mathematics 2023-10-27 Georgios Pappas , Michael Rapoport

We give proofs of de Rham comparison isomorphisms for rigid-analytic varieties, with coefficients and in families. This relies on the theory of perfectoid spaces. Another new ingredient is the pro-etale site, which makes all constructions…

Algebraic Geometry · Mathematics 2012-11-06 Peter Scholze

We compute the p-torsion and p-adic etale cohomologies with compact support of period domains over local fields in the case of basic isocrystals for quasi-split reductive groups. For the p-torsion case, we follow the method used by Orlik in…

Number Theory · Mathematics 2021-10-26 Pierre Colmez , Gabriel Dospinescu , Julien Hauseux , Wiesława Nizioł

We derive explicit formulas for the Frobenius-Hecke traces of the etale cohomology of certain strata of Kottwitz varieties (which are certain compact unitary type Shimura varieties considered by Kottwitz), in terms of automorphic…

Number Theory · Mathematics 2025-07-08 Yachen Liu

The main result of this paper is the existence of Galois representations associated with the mod $p$ (or mod $p^m$) cohomology of the locally symmetric spaces for $\GL_n$ over a totally real or CM field, proving conjectures of Ash and…

Number Theory · Mathematics 2015-06-03 Peter Scholze

The first part of the paper is a survey of recent results about the cohomology of $(\phi,\Gamma)$-modules and its applications to the theory of Selmer complexes. In the second part we formulate a version of the Main Conjecture for $p$-adic…

Number Theory · Mathematics 2014-04-30 Denis Benois

For a prime number p and a number field k, we first study certain etale cohomology groups with coefficients associated to a p-adic Artin representation of its Galois group, where we twist the coefficients using a modified Tate twist with a…

Number Theory · Mathematics 2015-04-01 Rob de Jeu , Tejaswi Navilarekallu

In this note we give a p-adic proof of Hodge symmetry for smooth, projective threefolds over complex numbers.

Algebraic Geometry · Mathematics 2013-06-14 Kirti Joshi

We prove the $S=T$ conjecture proposed by Xiao--Zhu in \cite{2017arXiv170705700X}, making use of Scholze's theory of diamonds and v-stacks and Fargues--Scholze's geometric Satake equivalence. Following \cite{2018arXiv180205299X}, we deduce…

Number Theory · Mathematics 2025-05-22 Zhiyou Wu

For a number field, we have a Tannaka category of mixed Tate motives at our disposal. We construct p-adic points of the associated Tannaka group by using p-adic Hodge theory. Extensions of two Tate objects yield functions on the Tannaka…

Algebraic Geometry · Mathematics 2011-10-06 Andre Chatzistamatiou , Sinan Ünver

Given a proper, smooth (formal) scheme over the ring of integers of $\mathbb C_p$, we prove that if the crystalline cohomology of its special fibre is torsion-free then the $p$-adic \'etale cohomology of its generic fibre is also…

Algebraic Geometry · Mathematics 2015-07-30 Bhargav Bhatt , Matthew Morrow , Peter Scholze

We provide new proofs of two key results of p-adic Hodge theory: the Fontaine-Wintenberger isomorphism between Galois groups in characteristic 0 and characteristic p, and the Cherbonnier-Colmez theorem on decompletion of (phi,…

Number Theory · Mathematics 2015-01-16 Kiran S. Kedlaya

It is well known that the Euler characteristic of the cohomology of a complex algebraic variety coincides with the Euler characteristic of its cohomology with compact support. An old result of G. Laumon asserts that a relative version of…

Algebraic Geometry · Mathematics 2014-10-09 Rahbar Virk

We develop local cohomology techniques to study the finite slope part of the coherent cohomology of Shimura varieties. The local cohomology groups we consider are a generalization of overconvergent modular forms, and they are defined by…

Number Theory · Mathematics 2021-10-22 George Boxer , Vincent Pilloni

We study a cohomology theory for rigid-analytic varieties over $\mathbb{C}_p$, without properness or smoothness assumptions, taking values in filtered quasi-coherent complexes over the Fargues-Fontaine curve, which compares to other…

Algebraic Geometry · Mathematics 2023-06-12 Guido Bosco

The Eichler-Shimura isomorphism realizes the automorphic representation generated by an automorphic newform in certain cohomology of an arithmetic group. In this short note, we give a cohomological interpretation of the Eichler-Shimura…

Number Theory · Mathematics 2017-01-04 Santiago Molina Blanco

A systematic study of the contributions at infinity for the cohomology of variations of polarized Hodge structures over quasicompact K\"ahler manifolds. Several isomorphisms between different cohomologies given.

Algebraic Geometry · Mathematics 2007-05-23 Juergen Jost , Yihu Yang , Kang Zuo

We prove that the Jacquet-Langlands correspondence for cohomological automorphic forms on quaternionic Shimura varieties is realized by a Hodge class. Conditional on Kottwitz's conjecture for Shimura varieties attached to unitary similitude…

Number Theory · Mathematics 2023-07-12 Atsushi Ichino , Kartik Prasanna

We prove the Bloch-Kato conjecture for critical values of Asai L-functions of p-ordinary Hilbert modular forms over quadratic fields (with p split); and one inclusion in the Iwasawa main conjecture for these L-functions (up to a power of…

Number Theory · Mathematics 2025-02-18 Giada Grossi , David Loeffler , Sarah Livia Zerbes