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Let X and Y be smooth complex projective varieties. Orlov conjectured that if X and Y are derived equivalent then their motives M(X) and M(Y) are isomorphic in Voevodsky's triangulated category of geometrical motives with rational…

Algebraic Geometry · Mathematics 2011-05-24 Alessio Del Padrone , Claudio Pedrini

In this note we relate the notions of Lefschetz type, decomposability, and isomorphism, on Chow motives with the notions of unit type, decomposability, and isomorphism, on noncommutative motives. Examples, counter-examples, and applications…

Algebraic Geometry · Mathematics 2014-09-11 Marcello Bernardara , Goncalo Tabuada

We study Grothedieck groups of triangulated categories using weight structures, weight complexes, and the corresponding pure (co)homological functors. We prove some general statements on $K_0$ of weighted categories and apply it to…

Algebraic Geometry · Mathematics 2020-03-24 Mikhail V. Bondarko

The purpose of this paper is to prove a conjecture on reciprocity sheaves by Kahn-Saito-Yamazaki. This is accomplished by extending Voevodsky's fundamental results on homotopy invariant (pre)sheaves with transfers to its generalizations,…

Algebraic Geometry · Mathematics 2020-03-03 Shuji Saito

We first recall the construction of the Chow motive modelling intersection cohomology of a proper surface and study its fundamental properties. Using Voevodsky's category of effective geometrical motives, we then study the motive of the…

K-Theory and Homology · Mathematics 2017-06-23 J. Wildeshaus

We define and compare two different definitions of Chow motives for Deligne-Mumford stacks, associated with two definitions of Chow rings. The main result we prove is that both categories of motives are equivalent to the usual category of…

Algebraic Geometry · Mathematics 2007-05-23 B. Toen

In this paper certain Chow weight structures on the "big" triangulated motivic categories $DM_R^{eff}\subset DM_R$ are defined in terms of motives of all smooth varieties over the base field. This definition allows studying basic properties…

Algebraic Geometry · Mathematics 2018-03-28 Mikhail V. Bondarko , David Z. Kumallagov

In this short note we show how results of Orlov and To\"en imply that any equivalence between the derived categories of coherent sheaves on two varieties lifts to an equivalence at the level of dg-categories. This establishes the link…

Algebraic Geometry · Mathematics 2014-01-29 A. Khan Yusufzai

In this thesis we compare V. Voevodsky's geometric motives to the derived category of M. Nori's abelian category of mixed motives by constructing a triangulated tensor functor between them. It will be compatible with the Betti realizations…

Algebraic Geometry · Mathematics 2016-09-20 Daniel Harrer

We discuss relations between the motives of two varieties with equivalent derived categories of coherent sheaves.

Algebraic Geometry · Mathematics 2015-06-26 Dmitri Orlov

Let H be a homology theory for algebraic varieties over a field k. To a complete k-variety X, one naturally attaches an ideal of the coefficient ring H(k). We show that, when X is regular, this ideal depends only on the upper Chow motive of…

Algebraic Geometry · Mathematics 2023-08-29 Olivier Haution

Based on homological algebra of Grothendieck categories of enriched functors, two models for Voevodsky's category of big motives with reasonable correspondences are given in this paper.

Algebraic Geometry · Mathematics 2023-10-27 Peter Bonart

By using the triangulated category of \'etale motives over a field $k$, for a smooth projective variety $X$ over $k$, we define the group $\text{CH}^\text{\'et}_0(X)$ as an \'etale analogue of 0-cycles. We study the properties of…

Algebraic Geometry · Mathematics 2025-06-23 Ivan Rosas-Soto

The category of framed correspondences $Fr_*(k)$ was invented by Voevodsky in his notes in order to give another framework for SH(k) more amenable to explicit calculations. Based on that notes and on their JAMS paper Garkusha and the author…

K-Theory and Homology · Mathematics 2022-11-28 Ivan Panin

This is a survey of author's results on weight structures and Voevodsky's motives. Weight structures are natural counterparts of t-structures (for triangulated categories) introduced by the author. They allow to construct weight complexes,…

Algebraic Geometry · Mathematics 2010-09-21 Mikhail V. Bondarko

For every smooth and separated Deligne-Mumford stack $F$, we associate a motive $M(F)$ in Voevodsky's category of mixed motives with rational coefficients $\mathbf{DM}^{\eff}(k,\mathbb{Q})$. When $F$ is proper over a field of characteristic…

Algebraic Geometry · Mathematics 2012-08-31 Utsav Choudhury

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

In this work we develop a theory of motives for logarithmic schemes over fields in the sense of Fontaine, Illusie, and Kato. Our construction is based on the notion of finite log correspondences, the dividing Nisnevich topology on log…

Algebraic Geometry · Mathematics 2021-09-24 Federico Binda , Doosung Park , Paul Arne Østvær

A conjecture of Orlov predicts that derived equivalent smooth projective varieties over a field have isomorphic Chow motives. The conjecture is known for curves, and was recently observed for surfaces by Huybrechts. In this paper we focus…

Algebraic Geometry · Mathematics 2020-02-26 Jeff Achter , Sebastian Casalaina-Martin , Charles Vial

We consider the Pfaffian-Grassmannian equivalence from the motivic point of view. The main result is that under certain numerical conditions, both sides of the equivalence are related on the level of Chow motives. The consequences include a…

Algebraic Geometry · Mathematics 2021-05-10 Robert Laterveer