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A purity conjecture due to Grothendieck and Auslander--Goldman predicts that the Brauer group of a regular scheme does not change after removing a closed subscheme of codimension $\ge 2$. The combination of several works of Gabber settles…

Algebraic Geometry · Mathematics 2019-05-29 Kestutis Cesnavicius

We consider the problem of counting the number of rational points of bounded height in the zero-loci of Brauer group elements on semi-simple algebraic groups over number fields. We obtain asymptotic formulae for the counting problem for…

Number Theory · Mathematics 2018-10-09 Daniel Loughran , Ramin Takloo-Bighash , Sho Tanimoto

This paper investigates the homology of the Brauer algebras, interpreted as appropriate Tor-groups, and shows that it is closely related to the homology of the symmetric group. Our main results show that when the defining parameter of the…

Algebraic Topology · Mathematics 2023-06-13 Rachael Boyd , Richard Hepworth , Peter Patzt

A conjecture expressing genus 1 Gromov-Witten invariants in mirror-theoretic terms of semi-simple Frobenius structures and complex oscillating integrals is formulated. The proof of the conjecture is given for torus-equivariant Gromov -…

Algebraic Geometry · Mathematics 2016-09-07 Alexander B. Givental

We define an integral Borel-Moore homology theory over finite fields, called arithmetic homology, and an integral version of Kato homology. Both types of groups are expected to be finitely generated, and sit in a long exact sequence with…

K-Theory and Homology · Mathematics 2009-05-13 Thomas Geisser

Using geometric methods we prove the standard period-index conjecture for the Brauer group of a field of transcendence degree 2 over a finite field.

Algebraic Geometry · Mathematics 2018-06-18 Max Lieblich

We determine the blocks of the Brauer algebra in characteristic zero. We also give information on the submodule structure of standard modules for this algebra.

Representation Theory · Mathematics 2007-05-23 Anton Cox , Maud De Visscher , Paul Martin

We disprove a conjecture stated in a recent paper by Arnold and Villasenor concerning the sum and the maximum of independent and identically distributed half-normal random variables. Our method is applicable to generalized gamma…

Probability · Mathematics 2026-04-22 Kazuki Okamura

A new class of associative algebras referred to as affine walled Brauer algebras are introduced. These algebras are free with infinite rank over a commutative ring containing 1. Then level two walled Brauer algebras over C are defined,…

Representation Theory · Mathematics 2013-05-03 Hebing Rui , Yucai Su

In the representation theory of finite groups, there is a well-known and important conjecture, due to Brou\'e saying that for any prime p, if a p-block A of a finite group G has an abelian defect group P, then A and its Brauer corresponding…

Representation Theory · Mathematics 2012-06-05 Shigeo Koshitani , Jürgen Müller , Felix Noeske

Frobenius problem and its many generalizations have been extensively studied in several areas of mathematics. We study semigroups of totally positive algebraic integers in totally real number fields, defining analogues of the Frobenius…

Number Theory · Mathematics 2019-11-20 Lenny Fukshansky , Yingqi Shi

A new simple way to prove the Frobenius conjecture on the dimensions of real algebras without zero divisors is given.

Algebraic Topology · Mathematics 2007-05-23 K. E. Feldman

The Breuil-M\'{e}zard Conjecture predicts the existence of hypothetical "Breuil-Mezard cycles" in the moduli space of mod $p$ Galois representations of $\mathrm{Gal}(\overline{\mathbb{Q}}_q/\mathbb{Q}_q)$ that should govern congruences…

Number Theory · Mathematics 2025-07-18 Tony Feng , Bao Le Hung

A conjecture of Batyrev and Manin predicts the asymptotic behaviour of rational points of bounded height on smooth projective varieties over number fields. We prove some new cases of this conjecture for conic bundle surfaces equipped with…

Number Theory · Mathematics 2020-09-08 Christopher Frei , Daniel Loughran

In this paper, we obtained an equivalent proposition of Brennan`s conjecture. And given two lower bound estimation of the conjecture one of them connected with Schwarzian derivative. The present study also verified the correctness of the…

Complex Variables · Mathematics 2015-09-02 Junyi Hu , Shiyu Chen

We survey some recent progress on generalizations of conjectures of Serre concerning the cohomology of arithmetic groups, focusing primarily on the "weight" aspect. This is intimately related to (generalizations of) a conjecture of Breuil…

Number Theory · Mathematics 2022-03-07 Daniel Le , Bao Viet Le Hung

We show that Colliot-Th\'el\`ene's conjecture on 0-cycles of degree 1 implies finiteness for the u-invariant of the function field of a curve over a totally imaginary number field and period-index bounds for the Brauer groups of arbitrary…

Algebraic Geometry · Mathematics 2018-06-18 Max Lieblich , R. Parimala , V. Suresh

We prove a conjecture of Heath-Brown on the number of rational points of bounded height for a large class of projective varieties.

Algebraic Geometry · Mathematics 2007-05-23 Per Salberger

Let $\lambda_\mathbb{K}(m)$ denote the maximal absolute projection constant over the subspaces of dimension $m$. Apart from the trivial case for $ m=1$, the only known value of $\lambda_\mathbb{K}(m)$ is for $ m=2$ and…

Functional Analysis · Mathematics 2024-02-28 Beata Deregowska , Barbara Lewandowska

Let $G$ be an arbitrary finite group and fix a prime number $p$. The McKay conjecture asserts that $G$ and the normalizer in $G$ of a Sylow $p$-subgroup have equal numbers of irreducible characters with degrees not divisible by $p$. The…

Group Theory · Mathematics 2007-05-23 I. M. Isaacs , G. Navarro