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We give a brief introduction to tensor triangulated geometry, a brief introduction to various motivic categories, and then make some observations about the conjectural structure of the tensor triangulated spectrum of the Morel-Voevodsky…

Algebraic Geometry · Mathematics 2016-08-10 Shane Kelly

We study the multiplicities of pure motives modulo numerical equivalence, which are defined as scalars comparing the tannakian trace with the ring-theoretic trace. Our general set-up is that of a rigid semi-simple tensor category such that…

Algebraic Geometry · Mathematics 2010-09-13 Bruno Kahn

We establish the group-theoretic classification of Sato-Tate groups of self-dual motives of weight 3 with rational coefficients and Hodge numbers h^{3,0} = h^{2,1} = h^{1,2} = h^{0,3} = 1. We then describe families of motives that realize…

Number Theory · Mathematics 2017-01-03 Francesc Fité , Kiran S. Kedlaya , Andrew V. Sutherland

We describe the heart of the canonical $t$-structure on the perfect derived category of a strictly positive graded algebra as the module category over the quadratic dual. Applying this result we obtain examples showing new phenomena on…

Representation Theory · Mathematics 2020-06-02 Dong Yang

We study a family of mixed Tate motives over $\mathbb{Z}$ whose periods are linear forms in the zeta values $\zeta(n)$. They naturally include the Beukers-Rhin-Viola integrals for $\zeta(2)$ and the Ball-Rivoal linear forms in odd zeta…

Algebraic Geometry · Mathematics 2019-02-20 Clément Dupont

We apply the structure theory of finite dimensional algebras in order to deduce dimension formulas for spaces of period numbers, i.e., complex numbers defined by integrals of algebraic nature. We get a complete and conceptually clear answer…

Number Theory · Mathematics 2025-03-28 Annette Huber , Martin Kalck

The second author has recently introduced a new class of L-series in the arithmetic theory of function fields over finite fields. We show that the value at one of these L-series encode arithmetic informations of certain Drinfeld modules…

Number Theory · Mathematics 2019-02-20 Bruno Angles , Federico Pellarin , Floric Tavares-Ribeiro

We construct the Chow weight structure on the derived category of geometric motives with arbitrary coefficients for X a finite type scheme over a field characteristic 0 and G an affine algebraic group. In particular we also show that the…

Algebraic Geometry · Mathematics 2025-04-22 Dhyan Aranha , Chirantan Chowdhury

The main goal of this paper is to study relative versions of the category of modules over the isotropic motivic Brown-Peterson spectrum, with a particular emphasis on their cellular subcategories. Using techniques developed by Levine, we…

Algebraic Geometry · Mathematics 2025-12-01 Fabio Tanania

The main goal of this paper is to define the so-called Chow weight structure for the category of Beilinson motives over any 'reasonable' base scheme $S$ (this is the version of Voevodsky's motives over $S$ defined by Cisinski and Deglise).…

Algebraic Geometry · Mathematics 2015-04-08 Mikhail V. Bondarko

In the arithmetic of function fields Drinfeld modules play the role that elliptic curves take on in the arithmetic of number fields. As higher dimensional generalizations of Drinfeld modules, and as the appropriate analogues of abelian…

Number Theory · Mathematics 2014-01-28 Matthias Bornhofen , Urs Hartl

We study the t-structure induced by an n-tilting module T in the derived category D(R) of a ring R. Our main objective is to determine when the heart of the t-structure is a Grothendieck category. We obtain characterizations in terms of…

Representation Theory · Mathematics 2019-12-16 Silvana Bazzoni

The stable module category of a selfinjective algebra is triangulated, but need not have any nontrivial $t$-structures, and in particular, full abelian subcategories need not arise as hearts of a $t$-structure. The purpose of this paper is…

Representation Theory · Mathematics 2021-01-05 Markus Linckelmann

This paper proves the Beilinson-Soul{\'e} vanishing conjecture for motives attached to the moduli spaces of curves of genus 0 with n marked points. As part of the proof, it is also proved that these motives are mixed Tate. As a consequence…

K-Theory and Homology · Mathematics 2018-03-16 Ismael Soudères

We describe spaces of Bridgeland stability conditions on certain triangulated categories associated to Coxeter systems. These categories are defined algebraically using the category of modules for zigzag algebras associated to Coxeter…

Representation Theory · Mathematics 2024-12-23 Edmund Heng , Anthony M. Licata

We propose a refined version of the Beilinson-Bloch conjecture for the motive associated with a modular form of even weight. This conjecture relates the dimension of the image of the relevant p-adic Abel-Jacobi map to certain combinations…

Number Theory · Mathematics 2013-03-19 Matteo Longo , Stefano Vigni

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

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

In this article we initiate the study of the tensor triangular geometry of the categories Mot(k)_a and Mot(k)_l of non-commutative motives (over a base ring k). Since the full computation of the spectrum of Mot(k)_a and Mot(k)_l seems…

K-Theory and Homology · Mathematics 2012-07-17 Ivo Dell'Ambrogio , Goncalo Tabuada
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