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Related papers: Generic motives and motivic cohomology of fields

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We prove that the motivic cohomology of mixed characteristic schemes, introduced in our previous work, satisfies various expected properties of motivic cohomology, including a motivic refinement of Weibel's vanishing in algebraic…

Algebraic Geometry · Mathematics 2025-07-23 Tess Bouis

This paper proposes a conjecture on special values of L-functions of geometric motives over Z. This includes L-functions of mixed motives over Q and Hasse-Weil zeta-functions of schemes over Z. We conjecture the following: the order of L(M,…

Number Theory · Mathematics 2015-08-04 Jakob Scholbach

Given a group, we construct a fundamental additive functor on its orbit category. We prove that any isomorphism conjecture valid for this fundamental isomorphism functor holds for all additive functors, like K-theory, cyclic homology,…

K-Theory and Homology · Mathematics 2012-02-29 Paul Balmer , Goncalo Tabuada

We compute the generalized slices (as defined by Spitzweck-{\O}stv{\ae}r) of the motivic spectrum KO (representing hermitian K-theory) in terms of motivic cohomology and (a version of) generalized motivic cohomology, obtaining good…

K-Theory and Homology · Mathematics 2017-11-21 Tom Bachmann

For any type of fundamental groupoid scheme, we construct an algebraic cohomology theory for varieties with coefficients in the base field. This is a minor variant of \'etale cohomology, involving neither de Rham complexes nor…

Algebraic Geometry · Mathematics 2026-02-16 Hyuk Jun Kweon

We discuss the structure of integral etale motivic cohomology groups of smooth and projective schemes over algebraically closed fields, finite fields, local fields, and arithmetic schemes.

Algebraic Geometry · Mathematics 2016-09-09 Thomas H. Geisser

In this paper we define the triangulated category of motives over a simplicial scheme. The morphisms between the Tate objects in this category compute the motivic cohomology of the underlying scheme. In the last section we consider the…

Algebraic Geometry · Mathematics 2008-05-30 Vladimir Voevodsky

We describe algebraically defined cohomological and homological Albanese and Picard 1-motives (or mixed motives) of any algebraic variety in characteristic zero, generalizing the classical Albanese and Picard varieties. We compute Hodge,…

Algebraic Geometry · Mathematics 2007-05-23 L. Barbieri-Viale , V. Srinivas

Let k be a perfect field. In this paper we prove that biextensions of 1-motives define multilinear morphisms between 1-motives in Voevodsky's triangulated category of effective geometrical motives over k with rational coefficients.

K-Theory and Homology · Mathematics 2010-04-05 Cristiana Bertolin , Carlo Mazza

We formulate a conjectural p-adic analogue of Borel's theorem relating regulators for higher K-groups of number fields to special values of the corresponding zeta-functions, using syntomic regulators and p-adic L-functions. We also…

K-Theory and Homology · Mathematics 2007-11-19 Amnon Besser , Paul Buckingham , Rob de Jeu , Xavier-Francois Roblot

In this paper, we present a general approach to establish motivic cohomology and build part of its six operations formalism. Applying this together with symplectic orientation on MW-motivic cohomology, we discuss the embedding theorem of…

Algebraic Geometry · Mathematics 2018-10-31 Nanjun Yang

We prove a canonical Kunneth decomposition for the motive of a commutative group scheme over a field. Moreover, we show that this decomposition behaves under the group law just as in cohomology. We also deduce applications of the…

Algebraic Geometry · Mathematics 2016-03-18 Giuseppe Ancona , Stephen Enright-Ward , Annette Huber

We present a research programme aimed at constructing classifying toposes of Weil-type cohomology theories and associated categories of motives, and introduce a number of notions and preliminary results already obtained in this direction.…

Algebraic Geometry · Mathematics 2015-07-23 Olivia Caramello

We generalize the motivic incarnation morphism from the theory of arithmetic integration to the relative case, where we work over a base variety S over a field k of characteristic zero. We develop a theory of constructible effective Chow…

Algebraic Geometry · Mathematics 2016-09-07 Johannes Nicaise

For a natural class of cohomology theories with support (including \'etale or pro-\'etale cohomology with suitable coefficients), we prove a moving lemma for cohomology classes with support on smooth quasi-projective k-varieties that admit…

Algebraic Geometry · Mathematics 2026-05-27 Stefan Schreieder

Our goal is to prove that the Leray spectral sequence associated to a map of algebraic varieties is motivic in the following sense: If the singular cohomology groups of the category of quasiprojective varieties defined over a subfield of C…

Algebraic Geometry · Mathematics 2009-11-10 Donu Arapura

This article gives an overview of recent results on the relation between quantum field theory and motives, with an emphasis on two different approaches: a "bottom-up" approach based on the algebraic geometry of varieties associated to…

Mathematical Physics · Physics 2009-07-03 Matilde Marcolli

Let $X$ be a smooth projective variety of dimension $d$ over an algebraically closed field $k$. The main goal of this paper is to study, in the context of Voevodsky's triangulated category of motives $DM_k$, the group…

Algebraic Geometry · Mathematics 2025-09-22 Ivan Hernandez , Pablo Pelaez

For a split reductive group G over a finite field, we show that the intersection (cohomology) motive of the moduli stack of iterated G-shtukas with bounded modification and level structure is defined independently of the standard…

Algebraic Geometry · Mathematics 2020-02-19 Timo Richarz , Jakob Scholbach

We extend the results of G.~Garkusha and I.~Panin on framed motives of algebraic varieties [4] to the case of a finite base field, and extend the computation of the zeroth cohomology group $H^0(\mathbb ZF(\Delta^\bullet_k,\mathbf G^{\wedge…

K-Theory and Homology · Mathematics 2020-02-05 Andrei Druzhinin , Jonas Irgens Kylling