English
Related papers

Related papers: On the radical of a Hecke-Kiselman algebra

200 papers

We investigate the structure of the Hecke algebras related to the unimodular and modular group over hermitian fields and definite quaternion algebras. In particular we show that in general there is no decomposition into primary components.…

Number Theory · Mathematics 2009-07-17 Martin Raum

The class of finitely presented algebras over a field $K$ with a set of generators $a_{1},\ldots , a_{n}$ and defined by homogeneous relations of the form $a_{1}a_{2}\cdots a_{n} =a_{\sigma (1)} a_{\sigma (2)} \cdots a_{\sigma (n)}$, where…

Rings and Algebras · Mathematics 2022-03-16 Ferran Cedo , Eric Jespers , Georg Klein

In this paper we show that the center of the partition algebra $\mathcal{A}_{2k}(\delta)$, in the semisimple case, is given by the subalgebra of supersymmetric polynomials in the normalised Jucys-Murphy elements. For the non-semisimple…

Representation Theory · Mathematics 2022-06-09 Samuel Creedon

An affine Hecke algebra H contains a large abelian subalgebra A. The center Z of H is the subalgebra of Weyl group invariant elements in A. The natural trace of the affine Hecke algebra can be written as an integral of a rational $n$ form…

Representation Theory · Mathematics 2007-05-23 Eric M. Opdam

This study concerns (not necessarily commutative) Hecke rings associated with certain algebras and describes a formal Dirichlet series with coefficients in the Hecke rings, which can be used to generalize Shimura's series. Considering the…

Number Theory · Mathematics 2025-06-05 Fumitake Hyodo

Let $G$ be a direct product of inner forms of general linear groups over non-archimedean locally compact fields of residue characteristic $p$ and let $K^1$ be the pro-$p$-radical of a maximal compact open subgroup of $G$. In this paper we…

Representation Theory · Mathematics 2017-01-26 Gianmarco Chinello

We give a presentation via generators and relations of the local graded paramodular Hecke algebra of prime level. In particular, we prove that the paramodular Hecke algebra is isomorphic to the quotient of the free $\mathbb{Z}$-algebra…

Number Theory · Mathematics 2023-10-23 Jennifer Johnson-Leung , Joshua Parker , Brooks Roberts

The (Iwahori-)Hecke algebra in the title is a $q$-deformation $\sH$ of the group algebra of a finite Weyl group $W$. The algebra $\sH$ has a natural enlargement to an endomorphism algebra $\sA=\End_\sH(\sT)$ where $\sT$ is a $q$-permutation…

Representation Theory · Mathematics 2015-09-29 Jie Du , Brian Parshall , Leonard Scott

In this article, the two-parameter quantum Heisenberg enveloping algebra, which serves as a model for certain quantum generalized Heisenberg algebras, have been studied at roots of unity. In this context, the quantum Heisenberg enveloping…

Representation Theory · Mathematics 2024-02-07 Sanu Bera , Sugata Mandal , Soumendu Nandy

The theory of path algebras is usually circunscripted to the study of representations, usually linked to finite graphs. In our work, we focus on studying the structure of path algebras over a field associated to arbitrary graphs. We…

Rings and Algebras · Mathematics 2026-04-21 Dolores Martín Barquero , Cándido Martín González , Iván Ruiz Campos

Let $G$ be a split reductive group over a finite field $k$. In this note we study the space $V$ of finitely supported functions on the set of isomorphism classes $G$-bundles on the projective line ${\mathbb P}^1$ endowed with a…

Representation Theory · Mathematics 2023-12-13 Alexander Braverman , David Kazhdan

The class of finitely presented algebras over a field $K$ with a set of generators $a_{1},..., a_{n}$ and defined by homogeneous relations of the form $a_{1}a_{2}... a_{n} =a_{\sigma (1)} a_{\sigma (2)} ... a_{\sigma (n)}$, where $\sigma$…

Rings and Algebras · Mathematics 2009-04-17 Ferran Cedo , Eric Jespers , Jan Okninski

We show that graded Hecke algebras are PI algebras if and only if they are finitely generated over their centres if and only if the deformation parameters $t_{i}$ are zero for all $i=1,\ldots,N$. This generalises a result for symplectic…

Rings and Algebras · Mathematics 2007-05-23 Katrin E Gehles

The stated skein algebra is a generalization of the Kauffman bracket skein algebra introduced in the study of quantum trace maps. When the quantum parameter is a root of unity, the stated skein algebra has a big center and is finitely…

Quantum Algebra · Mathematics 2023-09-27 Tao Yu

A basic finite dimensional algebra over an algebraically closed field $k$ is isomorphic to a quotient of a tensor algebra by an admissible ideal. The category of left modules over the algebra is isomorphic to the category of representations…

Representation Theory · Mathematics 2011-02-08 Carl Fredrik Berg

Assuming the Riemann hypothesis for $L$-functions attached to primitive Dirichlet characters, modular cusp forms, and their tensor products and symmetric squares, we write down explicit finite sets of Hecke operators that span the Hecke…

Number Theory · Mathematics 2023-12-07 Ben Moore

This paper shows that the cyclotomic quiver Hecke algebras of type $A$, and the gradings on these algebras, are intimately related to the classical seminormal forms. We start by classifying all seminormal bases and then give an explicit…

Representation Theory · Mathematics 2014-12-25 Jun Hu , Andrew Mathas

Let F be a non-archimedean local field and let $G^\sharp$ be the group of F-rational points of an inner form of $SL_n$. We study Hecke algebras for all Bernstein components of $G^\sharp$, via restriction from an inner form G of $GL_n (F)$.…

Representation Theory · Mathematics 2016-12-09 Anne-Marie Aubert , Paul Baum , Roger Plymen , Maarten Solleveld

This paper focuses on the theory of the Hecke rings associated with the general linear groups originally studied by Hecke and Shimura et al., and moreover generalizes its notions to Hecke rings associated with the automorphism groups of…

Number Theory · Mathematics 2021-10-22 Fumitake Hyodo

In this paper we outline the Hecke theory for Hermitian modular forms in the sense of Hel Braun for arbitrary class number of the attached imaginary-quadratic number field. The Hecke algebra turns out to be commutative. Its inert part has a…

Number Theory · Mathematics 2021-01-15 Adrian Hauffe-Waschbüsch , Aloys Krieg