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Over a subfield of the field of complex numbers, the Hodge realization of a geometrical motive is defined and represented as the cohomology of a mixed Hodge DG-complex in the sense of Deligne. Both filtrations are represented by truncation…

Number Theory · Mathematics 2012-02-21 Florence Lecomte , Nathalie Wach

Over a field of characteristic zero, we construct a De Rham motivic complex and generalize the De Rham cohomology of a smooth variety to any Voevodsky motive.

Number Theory · Mathematics 2007-05-23 Florence Lecomte , Nathalie Wach

We construct the (filtered) Ogus realisation of Voevodsky motives over a number field $K$. This realisation extends the functor defined on $1$-motives by Andreatta, Barbieri-Viale and Bertapelle. As an illustration we note that the analogue…

Number Theory · Mathematics 2024-08-08 Bruno Chiarellotto , Christopher Lazda , Nicola Mazzari

We construct a functor from the triangulated category of Voevodsky motives to a certain derived category of mixed Hodge structures enriched with integral weight filtration. We use this construction to prove a strong integral version of the…

Algebraic Geometry · Mathematics 2011-12-13 Vadim Vologodsky

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 introduce the categories of geometric mixed Hodge modules on algebraic varieties over a subfield $k\subset\mathbb C$, and for a prime number $p$, the categories of geometric $p$-adic mixed Hodge modules on algebraic varieties over a…

Algebraic Geometry · Mathematics 2022-07-14 Johann Bouali

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

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

As a sequel of Part I, we consider a filtration of Hodge cohomology groups indexed by divisors "at infinity", and prove that they are represented in the category of motives with modulus. In particular, we obtain a realisation functor of the…

Algebraic Geometry · Mathematics 2023-06-13 Shane Kelly , Hiroyasu Miyazaki

Over a perfect field k, let G be an extension of an abelian variety by the multiplicative group $\G_m$. We compute the motive of G in Voevodsky's category of etale motivic complexes with rational coefficients. The result is a decomposition…

Algebraic Geometry · Mathematics 2013-07-19 Stephen Enright-Ward

We construct the (filtered) Ogus realisation of Laumon 1-motives over a number field. This realisation extends the functor defined on Deligne 1-motives by Andreatta, Barbieri-Viale and Bertapelle.

Algebraic Geometry · Mathematics 2024-08-08 Nicola Mazzari

We compute the moduli of endomorphisms of the de Rham and crystalline cohomology functors, viewed as a cohomology theory on smooth schemes over truncated Witt vectors. As applications of our result, we deduce Drinfeld's refinement of the…

Algebraic Geometry · Mathematics 2024-03-20 Shizhang Li , Shubhodip Mondal

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 introduce a tower of localizing subcategories in Voevodsky's big (closed under infinite coproducts) triangulated category of motives. We show that the tower induces an interesting finite filtration on the motivic cohomology groups of…

Algebraic Geometry · Mathematics 2016-10-11 Pablo Pelaez

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

We give an alternative construction of Totaro's weight filtration on singular homology of the real points of a real algebraic variety. Our construction shows that this filtration comes from Bondarko's weight filtration on Voevodsky motives.

Algebraic Geometry · Mathematics 2025-12-01 Raphaël Ruimy

We construct the dagger realization functor for analytic motives over non-archimedean fields of mixed characteristic, as well as the Monsky-Washnitzer realization functor for algebraic motives over a discrete field of positive…

Algebraic Geometry · Mathematics 2018-06-07 Alberto Vezzani

In this note we describe very explicitly a rich family of mixed motives that generates Voevodsky's $DM^{eff}_{gm}{\mathbb{Q}}$ (as a triangulated category). They "should be" mixed since they have only one non-zero Betti cohomology group.…

Algebraic Geometry · Mathematics 2007-05-23 M. 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

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
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