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Related papers: Solid realization of motives with modulus

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The bounded derived category of coherent sheaves on a smooth projective variety is known to be equivalent to the triangulated category of perfect modules over a DG algebra. DG algebras, arising in this way, have to satisfy some compactness…

Rings and Algebras · Mathematics 2007-05-23 D. Shklyarov

We obtain a rigidity phenomena of rational cohomology automorphisms of certain homogeneous spaces, in the presence of external cohomology classes arising from spaces with trivial cup product in rational cohomology algebra. We classify…

Algebraic Topology · Mathematics 2026-04-01 Manas Mandal , Divya Setia

We compute the intersection cohomology of the moduli spaces $M_{r,d}$ of semistable vector bundles having rank $r$ and degree $d$ over a curve. We do this by relating the Hodge-Deligne polynomial of the intersection cohomology of $M_{r,d}$…

Algebraic Geometry · Mathematics 2025-04-03 Sergey Mozgovoy , Markus Reineke

In this paper, we study cohomology theories of $\mathbb{Q}$-modulus pairs, which are pairs $(X, D)$ consisting of a scheme $X$ and a $\mathbb{Q}$-divisor $D$. Our main theorem provides a sufficient condition for such a cohomology theory to…

Algebraic Geometry · Mathematics 2023-12-13 Junnosuke Koizumi

We show that the classical Hochschild homology and (periodic and negative) cyclic homology groups are representable in the category of motives with modulus. We do this by constructing Hochschild homology and (periodic and negative) cyclic…

Algebraic Geometry · Mathematics 2024-01-05 Masaya Sato

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

In previous work, we develop a generalized Waldhausen $S_{\bullet}$-construction whose input is an augmented stable double Segal space and whose output is a unital 2-Segal space. Here, we prove that this construction recovers the previously…

Let \(C\) be a smooth projective curve over an algebraically closed field of characteristic zero. For the moduli space \(N(r,L)\) of stable vector bundles on \(C\) of rank \(r\) with fixed determinant \(L\), we study the group of exact…

Algebraic Geometry · Mathematics 2026-05-29 Haotian Zuo

We prove refined generating series formulae for characters of (virtual) cohomology representations of external products of suitable coefficients, e.g., (complexes of) constructible or coherent sheaves, or (complexes of) mixed Hodge modules…

Algebraic Geometry · Mathematics 2017-06-27 Laurentiu Maxim , Joerg Schuermann

In this paper we establish a precise comparison between vanishing cycles and the singularity category of Landau-Ginzburg models over a complete discrete valuation ring. By using noncommutative motives, we first construct a motivic…

Algebraic Geometry · Mathematics 2020-04-17 A. Blanc , M. Robalo , B. Töen , G. Vezzosi

These lecture notes cover four topics. There is a proof of the fact that the functors represented by the motivic Eilenberg-Maclane spaces on the motivic homotopy category coincide with the motivic cohomology defined in terms of the motivic…

Algebraic Geometry · Mathematics 2008-05-30 Vladimir Voevodsky

For a smooth manifold X of dimension <d we construct a homomorphism from the algebraic K-theory group in degree d of the algebra of smooth functions on X to the degree -d-1 topological K-theory of X with coefficients in C/Z. This map…

K-Theory and Homology · Mathematics 2014-12-09 Ulrich Bunke

We show that the triply-graded Khovanov-Rozansky homology of the $(m,n)$ torus knot can be recovered from the finite-dimensional representation $\mathrm{L}_{m/n}$ of the rational Cherednik algebra at slope $m/n$, endowed with the Hodge…

Representation Theory · Mathematics 2024-07-02 Xinchun Ma

We introduce the notion of strong regular holonomic ${\mathcal{D}}_{{X\times S}/S}$-module and we prove that the functor ${\mathrm{RH}}^S$ introduced by T. Monteiro Fernandes and C. Sabbah in [14] takes image in…

Algebraic Geometry · Mathematics 2018-11-20 Luisa Fiorot , Teresa Monteiro Fernandes

Let $X$ be a compact Riemann surface of genus $g \geq 2$ and let $D\subset X$ be a fixed finite subset. We considered the moduli spaces of parabolic Higgs bundles and of parabolic connections over $X$ with the parabolic structure over $D$.…

Algebraic Geometry · Mathematics 2024-02-29 Sumit Roy

Let $R$ be an associative ring with unit. Given an $R$-module $M$, we can associate the following covariant functor from the category of $R$-algebras to the category of abelian groups: $S\mapsto M\otimes_R S$. With the corresponding notion…

Category Theory · Mathematics 2018-11-29 Adrián Gordillo-Merino , José Navarro , Pedro Sancho

This paper investigates the representation-theoretic structure of the Koszul cohomology of a smooth projective variety $X$ over an algebraically closed field $k$, admitting an action of a finite group $G$ of order coprime to ${\rm…

Algebraic Geometry · Mathematics 2026-02-19 Kostas Karagiannis , Aristides Kontogeorgis , Konstantia Manousou Sotiropoulou

Consider a complex analytic manifold $X$ and a coherent Lie subalgebra $\shi$ of the Lie algebra of complex vector fields on $X$. By using a natural $\shd_X$-module $\shm_\shi$ naturally associated to $\shi$ and the ring (in the derived…

Differential Geometry · Mathematics 2016-06-30 Hamidou Dathe

We introduce regular sequences and associated Koszul resolutions for monoids in the category of functors over an essentially small linear symmetric monoidal category. Next we define polynomials over such monoids. We compute the Hochschild…

Category Theory · Mathematics 2025-04-07 Serge Bouc , Nadia Romero

We prove an inversion theorem for recursive formulas satisfied by certain families of converging power series in two variables. These power series are indexed by the Harder-Narasimhan types of principal $G$-bundles of degree $d \in \pi_1 G$…

Algebraic Geometry · Mathematics 2026-05-29 Chiu-Chu Melissa Liu , Florent Schaffhauser