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This article is the final one of a series of articles on certain blocks of modular representations of finite groups of Lie type and the associated geometry. We prove the conjecture of Brou\'e on derived equivalences induced by the complex…

Representation Theory · Mathematics 2012-04-10 Olivier Dudas , Raphaël Rouquier

We determine the blocks of the periplectic Brauer algebra over any field of odd characteristic.

Representation Theory · Mathematics 2019-02-13 Sigiswald Barbier , Anton Cox , Maud De Visscher

We provide a proof of a variant of the Landau-Siegel Zeros conjecture.

Number Theory · Mathematics 2007-05-31 Yitang Zhang

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

We provide a self-contained proof of the main properties of Brauer quotients of Young modules. We then use these results to give a new inductive proof of Nakayama's Conjecture on the blocks of the symmetric group.

Representation Theory · Mathematics 2017-08-16 William O'Donovan

We state and prove an equivariant version of Lehmer's conjecture on heights, generalizing papers by Zagier (1993) and Dresden (1998) which are special cases of this theorem. We also extend their three cases to a full classification of all…

Number Theory · Mathematics 2020-11-10 Jan-Willem M. van Ittersum

In this paper we complete the determination of the Brauer trees of unipotent blocks (with cyclic defect groups) of finite groups of Lie type. These trees were conjectured by the first author. As a consequence, the Brauer trees of principal…

Representation Theory · Mathematics 2020-06-05 David A. Craven , Olivier Dudas , Raphaël Rouquier

We determine the numerical invariants of blocks with defect group D_{2^n}\times C_{2^m}, where D_{2^n} denotes a dihedral group of order 2^n and C_{2^m} denotes a cyclic group of order 2^m. This generalizes Brauer's results for m=0. As a…

Representation Theory · Mathematics 2011-05-26 Benjamin Sambale

We determine the numerical invariants of blocks with defect group D_{2^n} * C_{2^m} = Q_{2^n} * C_{2^m} (central product), where n > 2 and m > 1. As a consequence, we prove Brauer's k(B)-conjecture, Olsson's conjecture (and more generally…

Representation Theory · Mathematics 2011-05-26 Benjamin Sambale

Assuming that Brouwers Conjecture the upper bound for the sum of t< n largest eigenvalues of Laplacian graph on n vertices true for n <n_0, we prove the Brouwers Conjecture BC for n > n_0 for some fixed n_0

Combinatorics · Mathematics 2025-04-23 Vladimir Blinovsky , Llohann D. Sperança , Alexander Pchelintsev

We show that Thompson's $A\times B$-Lemma can be obtained as a consequence of the Brauer pair version of Brauer's Third Main Theorem.

Group Theory · Mathematics 2021-05-19 Radha Kessar , Markus Linckelmann

We prove that Sp\"ath's Character Triple Conjecture holds for every finite group with respect to maximal defect characters at the prime 2. This is done by reducing the maximal defect case of the conjecture to the so-called inductive…

Representation Theory · Mathematics 2024-03-06 Damiano Rossi

In this paper, we classify all $2$-blocks for which the defect groups are abelian and the inertial quotient has prime order. As a consequence, we prove that Brou\'e's abelian defect group conjecture holds for all blocks under consideration…

Group Theory · Mathematics 2026-04-14 Qianhu Zhou , Kun Zhang

In this paper, we use the former of the authors developed theory of \emph{circles of partition} to investigate possibilities to prove the binary Goldbach and Lemoine conjectures. We state the \emph{squeeze principle} and its consequences…

Number Theory · Mathematics 2026-04-21 Theophilus Agama , Berndt Gensel

We prove Turner's conjecture, which describes the blocks of the Hecke algebras of the symmetric groups up to derived equivalence as certain explicit Turner double algebras. Turner doubles are Schur-algebra-like `local' objects, which…

Representation Theory · Mathematics 2016-03-15 Anton Evseev , Alexander Kleshchev

For finite dimensional algebras over algebraically closed fields, we study the sets of pairwise Hom-orthogonal modules and obtain new results on some open conjectures on the behaviour of bricks and several related problems, which we…

Representation Theory · Mathematics 2025-02-18 Kaveh Mousavand , Charles Paquette

We give a remarkably elementary proof of the Brouwer fixed point theorem. The proof is verifiable for most of the mathematicians.

History and Overview · Mathematics 2011-09-22 Yukio Takeuchi , Tomonari Suzuki

Let $A$ be an abelian variety over a field finitely generated over $\mathbb{Q}$. We show that the finiteness of the $\ell$-primary torsion subgroup of the higher Brauer group is a sufficient criterion for the Tate conjecture to hold.…

Algebraic Geometry · Mathematics 2016-06-27 Thomas Jahn

We prove Brauer's k(B)-Conjecture for the 3-blocks with abelian defect groups of rank at most 5 and for all 3-blocks of defect at most 4. For this purpose we develop a computer algorithm to construct isotypies based on a method of Usami and…

Representation Theory · Mathematics 2019-11-26 Cesare G. Ardito , Benjamin Sambale

We give a short proof of Weintraub's conjecture by constructing explicit highest weight vectors in the symmetric power of an even exterior power.

Representation Theory · Mathematics 2016-05-19 Laurent Manivel , Mateusz Michalek