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We prove the Gersten conjecture for $p$-adic \'etale Tate twists for a smooth scheme $X$ in mixed characteristic in the Nisnevich topology. Our main observation is that, while $p$-adic \'etale Tate twists are not $\mathbb A^1$-invariant,…

Algebraic Geometry · Mathematics 2024-11-06 Morten Lüders

In local relative $p$-adic Hodge theory, we show that the Galois cohomology of a finite height crystalline representation (up to a twist) is essentially computed via the (Fontaine--Messing) syntomic complex with coefficients in the…

Number Theory · Mathematics 2025-12-03 Abhinandan

We prove a mixed characteristic analog of the Beilinson-Lichtenbaum Conjecture for p-adic motivic cohomology. It gives a description, in the stable range, of p-adic motivic cohomology (defined using algebraic cycles) in terms of…

Algebraic Geometry · Mathematics 2016-04-19 Veronika Ertl , Wieslawa Niziol

The goal of this paper is to study the absolute prismatic cohomology of $p$-adic formal schemes. We do so by recasting the notion of a prismatic crystal on $\mathrm{Spf}(\mathbf{Z}_p)$ in terms of quasicoherent sheaves on a geometric object…

Algebraic Geometry · Mathematics 2022-01-19 Bhargav Bhatt , Jacob Lurie

In this paper, we define, for arithmetic schemes with semistable reduction, $p$-adic objects playing the roles of Tate twists in \'etale topology, and establish their fundamental properties.

Algebraic Geometry · Mathematics 2007-05-23 Kanetomo Sato

We compute syntomic cohomology of semistable affinoids in terms of cohomology of $(\varphi,\Gamma)$-modules which, thanks to work of Fontaine-Herr, Andreatta-Iovita, and Kedlaya-Liu, is known to compute Galois cohomology of these affinoids.…

Number Theory · Mathematics 2016-05-31 Pierre Colmez , Wieslawa Niziol

In order to have cohomological operations for de Rham p-adic cohomology with coefficients as manageable as possible, the main purpose of this paper is to solve intrinsically and from a cohomological point of view the lifting problem of…

Algebraic Geometry · Mathematics 2010-09-17 Alberto Dario Arabia , Zoghman Mebkhout

Recently, H\"ubner-Schmidt defined the tame site of a scheme. We define $p$-adic tame Tate twists in the tame topology and prove some first properties. We establish a framework analogous to the Beilinson-Lichtenbaum conjectures in the tame…

Algebraic Geometry · Mathematics 2024-07-12 Morten Lüders

The classical Simpson correspondence describes complex linear representations of the fundamental group of a smooth complex projective variety in terms of linear algebra objects, namely Higgs bundles. Its p-adic analogue, introduced by G.…

Algebraic Geometry · Mathematics 2026-05-05 Ahmed Abbes , Michel Gros , Takeshi Tsuji

We compute, in a stable range, the arithmetic p-adic etale cohomology of smooth rigid analytic and dagger varieties (without any assumption on the existence of a nice integral model) in terms of differential forms using syntomic methods.…

Algebraic Geometry · Mathematics 2019-10-08 Pierre Colmez , Wiesława Nizioł

We prove equality of the various $p$-adic period morphisms for smooth, not necessarily proper, schemes. We start with showing that the $K$-theoretical uniqueness criterium we had found for proper smooth schemes extends to proper finite…

Number Theory · Mathematics 2019-11-19 Wiesława Nizioł

We introduce the notion of a $p$-Cartier smooth algebra. It generalises that of a smooth algebra and includes valuation rings over a perfectoid base. We give several characterisations of $p$-Cartier smoothness in terms of prismatic…

Algebraic Geometry · Mathematics 2023-10-09 Tess Bouis

This paper provides the technical tools needed in ongoing work of the authors to compute p-adic \'etale Abel-Jacobi maps in order to obtain explicit reciprocity laws for GSp4. In particular, we define and study syntomic polynomial…

Number Theory · Mathematics 2026-03-18 Fabrizio Andreatta , Massimo Bertolini , Marco Adamo Seveso , Rodolfo Venerucci

We show an equivalence of categories, over general $p$-adic bases, between finite locally $p^n$-torsion commutative group schemes and $\Int/p^n\Int$-modules in perfect $F$-gauges of Tor amplitude $[-1,0]$ with Hodge-Tate weights $0,1$. By…

Number Theory · Mathematics 2025-09-03 Keerthi Madapusi , Shubhodip Mondal

We show that de Rham--Witt forms are naturally isomorphic to $p$-typical curves on $p$-adic Tate twists, which answers a question of Artin--Mazur from 1977 pursued in the earlier work of Bloch and Kato. We show this by more generally…

K-Theory and Homology · Mathematics 2025-03-06 Sanath K. Devalapurkar , Shubhodip Mondal

In this article, we generalize the Hodge-Tate decomposition of p-adic \'etale cohomology to non-smooth rigid spaces. Our strategy is to study pro-\'etale cohomology of rigid spaces introduced by Scholze, using the resolution of…

Algebraic Geometry · Mathematics 2022-01-24 Haoyang Guo

This short note regards an observation about the recent theory of prismatic cohomology developed by Bhatt and Scholze. In particular, by applying a functor of Mandell, we see that the \'etale comparison theorem in the prismatic theory…

Algebraic Geometry · Mathematics 2021-07-07 Tobias Shin

Following Serre's initial work, a number of authors have considered twists of quadratic forms on a scheme Y by torsors of a finite group G, together with formulas for the Hasse-Witt invariants of the twisted form. In this paper we take the…

Algebraic Geometry · Mathematics 2011-11-08 Philippe Cassou-Noguès , Ted Chinburg , Baptiste Morin , Martin Taylor

The purpose of this article is to establish theories concerning $p$-adic analogues of Hodge cohomology and Deligne-Beilinson cohomology with coefficients in variations of mixed Hodge structures. We first study log overconvergent…

Algebraic Geometry · Mathematics 2025-03-03 Kazuki Yamada

The main goal of the present paper is the construction of twisted generalized differential cohomology theories and the comprehensive statement of its basic functorial properties. Technically it combines the homotopy theoretic approach to…

Algebraic Topology · Mathematics 2019-08-21 Ulrich Bunke , Thomas Nikolaus
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