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Using the localization property, we construct a triangulated category of motives over quasi-projective T-schemes for any coefficient where T is a noetherian separated scheme, and we prove the Grothendieck six operations formalism. We also…

Algebraic Geometry · Mathematics 2017-08-03 Doosung Park

We construct the $\mathbb{A}^1$-local stable motivic homotopy categories of fs log schemes. For schemes with the trivial log structure, our construction is equivalent to the original construction of Morel-Voevodsky. We prove the…

Algebraic Geometry · Mathematics 2023-03-08 Doosung Park

We establish the motivic six-functor formalism for fs log schemes. In particular, we prove the exact base change property, projection formula, and Poincar\'e duality. We also define Borel-Moore motivic homology, G-theory, and Chow homology…

Algebraic Geometry · Mathematics 2024-03-13 Doosung Park

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

This book discusses the construction of triangulated categories of mixed motives over a noetherian scheme of finite dimension, extending Voevodsky's definition of motives over a field. In particular, it is shown that motives with rational…

Algebraic Geometry · Mathematics 2019-11-19 Denis-Charles Cisinski , Frédéric Déglise

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 define model category structures on the category of chain complexes over a Grothendieck abelian category depending on the choice of a generating family, and we study their behaviour with respect to tensor products and stabilization. This…

Category Theory · Mathematics 2007-12-21 Denis-Charles Cisinski , Frédéric Déglise

The manuscript at hand systematically studies K\"unneth formulas at a categorical level. We give criteria for an abstract six functor formalism to satisfy the categorical K\"unneth formula, and use this to formulate conjectures for…

Algebraic Geometry · Mathematics 2025-03-19 Timo Richarz , Jakob Scholbach

We develop birational versions of Voevodsky's triangulated categories of motives over a field, and relate them with the pure birational motives studied in arXiv:0902.4902 [math.AG]. We also get an interpretation of unramified cohomology in…

Algebraic Geometry · Mathematics 2017-12-20 Bruno Kahn , R. Sujatha

We consider triangulated orbit categories, with the motivating example of cluster categories, in their usual context of algebraic triangulated categories, then present them from another perspective in the framework of topological…

Algebraic Topology · Mathematics 2014-11-14 Julia E. Bergner , Marcy Robertson

For noetherian schemes of finite dimension over a field of characteristic exponent $p$, we study the triangulated categories of $\mathbf{Z}[1/p]$-linear mixed motives obtained from cdh-sheaves with transfers. We prove that these have many…

Algebraic Geometry · Mathematics 2016-10-05 Denis-Charles Cisinski , Frédéric Déglise

We define a theory of etale motives over a noetherian scheme. This provides a system of categories of complexes of motivic sheaves with integral coefficients which is closed under the six operations of Grothendieck. The rational part of…

Algebraic Geometry · Mathematics 2019-02-20 Denis-Charles Cisinski , Frédéric Déglise

We construct a quasi-categorically enhanced Grothendieck six-functor formalism on schemes of finite type over the complex numbers. In addition to satisfying many of the same properties as M. Saito's derived categories of mixed Hodge…

Algebraic Geometry · Mathematics 2018-01-31 Brad Drew

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

The theory of derivators enhances and simplifies the theory of triangulated categories. In this article a notion of fibered (multi-)derivator is developed, which similarly enhances fibrations of (monoidal) triangulated categories. We…

Category Theory · Mathematics 2015-11-25 Fritz Hörmann

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

Let $\mathcal{V}$ be a complete discrete valued ring of mixed characteristic $(0,p)$, $K$ its field of fractions, $k$ its residue field which is supposed to be perfect. Let $X$ be a separated $k$-scheme of finite type and $Y$ be an open…

Algebraic Geometry · Mathematics 2012-10-08 Daniel Caro

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 construct a 'triangulated analogue' of coniveau spectral sequences: the motif of a variety over a countable field is 'decomposed' (in the sense of Postnikov towers) into the twisted (co)motives of its points; this is generalized to…

Algebraic Geometry · Mathematics 2013-12-31 M. V. Bondarko

We define the categories of log motives and log mixed motives. The latter gives a new formulation for the category of mixed motives. We prove that the former is a semisimple abelian category if and only if the numerical equivalence and…

Algebraic Geometry · Mathematics 2019-12-18 Tetsushi Ito , Kazuya Kato , Chikara Nakayama , Sampei Usui
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