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Related papers: Motivic and $p$-adic Localization Phenomena

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We introduce and study measures and densities (= geometric measures) on differentiable stacks, using a rather straightforward generalization of Haefliger's approach to leaf spaces and to transverse measures for foliations. In general we…

Differential Geometry · Mathematics 2020-04-15 Marius Crainic , João Nuno Mestre

We identify the $p$-adic unit roots of the zeta function of a projective hypersurface over a finite field of characteristic $p$ as the eigenvalues of a product of special values of a certain matrix of $p$-adic series. That matrix is a…

Algebraic Geometry · Mathematics 2020-01-22 Alan Adolphson , Steven Sperber

We propose a conjecture on the $p$-adic nowhere density of the Hecke orbit of subvarieties of Hodge type Shimura varieties. By investigating the monodromy of $p$-adic Galois representations associated with points on such Shimura varieties,…

Number Theory · Mathematics 2025-06-10 Yu Fu

Let $C$ be a smooth projective curve, $E$ a locally free sheaf. Hyperquot schemes on $C$ parametrise flags of coherent quotients of $E$ with fixed Hilbert polynomial, and offer alternative compactifications to the spaces of maps from $C$ to…

Algebraic Geometry · Mathematics 2025-05-26 Sergej Monavari , Andrea T. Ricolfi

Let D be a central simple algebra of prime degree over a field and let E be an SL_1(D)-torsor. We determine the complete motivic decomposition of certain compactifications of E. We also compute the Chow ring of E.

Algebraic Geometry · Mathematics 2014-02-25 Nikita A. Karpenko , Alexander S. Merkurjev

Beginning with the conjecture of Artin and Tate in 1966, there has been a series of successively more general conjectures expressing the special values of the zeta function of an algebraic variety over a finite field in terms of other…

Algebraic Geometry · Mathematics 2013-11-14 James Milne , Niranjan Ramachandran

In this paper we study some new theories of characteristic homology classes for singular complex algebraic (or compactifiable analytic) spaces. We introduce a motivic Chern class transformation mC_{*}: K_{0}(var/X)-> G_{0}(X)[y], which…

Algebraic Geometry · Mathematics 2007-05-23 Jean-Paul Brasselet , Joerg Schuermann , Shoji Yokura

We show that the moduli spaces of Scholze's $p$-adic shtukas with framing satisfy a $p$-adic rigid analytic version of Borel's extension theorem. In particular, this holds for local Shimura varieties, for all local Shimura data…

Number Theory · Mathematics 2026-03-04 Abhishek Oswal , Georgios Pappas

This is the second installment of a series of papers aimed at developing a theory of Hrushovski-Kazhdan style motivic integration for certain types of nonarchimedean $o$-minimal fields, namely power-bounded $T$-convex valued fields, and…

Logic · Mathematics 2018-08-23 Yimu Yin

This is a survey on motivic zeta functions associated to abelian varieties and Calabi-Yau varieties over a discretely valued field. We explain how they are related to Denef and Loeser's motivic zeta function associated to a complex…

Algebraic Geometry · Mathematics 2012-09-28 Lars Halvard Halle , Johannes Nicaise

We construct a comparison functor from the dual category of motivic homotopy category $\mathcal{SH}$ to the category of $\mathbb{A}^1$-invariant localizing motives $\operatorname{Mot}_{\operatorname{loc}}^{\mathbb{A}^1}$ in the sense of…

Algebraic Geometry · Mathematics 2026-03-13 Tianjian Tan

This article is the continuation of [LS12]. We use categories of matrix factorizations to define a morphism of rings (= a Landau-Ginzburg motivic measure) from the (motivic) Grothendieck ring of varieties over $\mathbb{A}^1$ to the…

Algebraic Geometry · Mathematics 2015-06-02 Valery A. Lunts , Olaf M. Schnürer

Let F be a number field and N an integral ideal in its ring of integers. Let f be a modular newform over F of level Gamma0(N) with rational Fourier coefficients. Under certain additional conditions, Guitart-Masdeu-Sengun constructed a…

Number Theory · Mathematics 2017-01-30 Xavier Guitart , Marc Masdeu

We prove: if the (\'etale or de Rham) realization functor is conservative on the category $DM_{gm}$ of Voevodsky motives with rational coefficients then motivic zeta functions of arbitrary varieties are rational and numerical motives are…

Algebraic Geometry · Mathematics 2018-11-29 Mikhail V. Bondarko

In this paper we study some new theories of characteristic homology classes for singular complex algebraic varieties. First we introduce a natural transformation T_{y}: K_{0}(var/X) -> H_{*}(X,Q)[y] commuting with proper pushdown, which…

Algebraic Geometry · Mathematics 2007-05-23 Jean-Paul Brasselet , Joerg Schuermann , Shoji Yokura

Given a prime number $p$, we perform the study of Chow motives and motivic decompositions, with coefficients in $\mathbb{Z}/p\mathbb{Z}$, of projective homogeneous varieties for $p'$-inner $p$-consistent reductive algebraic groups. Assorted…

Algebraic Geometry · Mathematics 2025-03-06 Charles De Clercq , Nikita Karpenko , Anne Quéguiner-Mathieu

We prove the motivic classes in the motivic cohomology groups of Picard modular surfaces with non-trivial coefficients constructed in a paper of Loeffler\textendash Skinner\textendash Zerbes are in the motivic cohomology groups of the…

Number Theory · Mathematics 2025-10-13 Linli Shi

The purpose of this article is to construct a Hecke-equivariant Chow motive whose realizations equal interior (or intersection) cohomology of Picard surfaces with regular algebraic coefficients. As a consequence, we are able to define…

Algebraic Geometry · Mathematics 2017-06-23 J. Wildeshaus

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

We prove a recognition principle for motivic infinite P1-loop spaces over a perfect field. This is achieved by developing a theory of framed motivic spaces, which is a motivic analogue of the theory of E-infinity-spaces. A framed motivic…

Algebraic Geometry · Mathematics 2021-07-12 Elden Elmanto , Marc Hoyois , Adeel A. Khan , Vladimir Sosnilo , Maria Yakerson
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