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It is shown that any finite-dimensional homomorphic image of an inverse limit of nilpotent not-necessarily-associative algebras over a field is nilpotent. More generally, this is true of algebras over a general commutative ring k, with…

Rings and Algebras · Mathematics 2021-10-15 George M. Bergman

We review results on the first Hochschild cohomology vector space of a finite dimensional algebra, in particular for path algebras modulo a "pre-generated" ideal. In case of a monomial algebra whose quiver has no oriented cycles, a…

Rings and Algebras · Mathematics 2023-10-13 Claude Cibils

This paper is concerned with the construction of phase operators, phase states, vector phase states, and coherent states for a generalized Weyl-Heisenberg algebra. This polynomial algebra (that depends on real parameters) is briefly…

Quantum Physics · Physics 2012-10-17 Maurice Robert Kibler , Mohammed Daoud

The aim of this paper is to present a general algebraic identity. Applying this identity, we provide several formulas involving the q-binomial coefficients and the q-harmonic numbers. We also recover some known identities including an…

Combinatorics · Mathematics 2023-02-01 Said Zriaa , Mohammed Mouçouf

If $A$ is a unital associative ring and $\ell \geq 2$, then the general linear group $\mathrm{GL}(\ell, A)$ has root subgroups $U_\alpha$ and Weyl elements $n_\alpha$ for $\alpha$ from the root system of type $\mathsf A_{\ell - 1}$.…

Group Theory · Mathematics 2026-05-08 Egor Voronetsky

Given a finite dimensional Hopf algebra H and an exact indecomposable module category M over Rep(H), we explicitly compute the adjoint algebra A_M as an object in the category of Yetter-Drinfeld modules over H, and the space of class…

Quantum Algebra · Mathematics 2020-05-06 Noelia Bortolussi , Martín Mombelli

By means of principal isotopes lH(a,b) of the algebra lH [Ra 99] we give an exhaustive and not repetitive description of all 4-dimensional absolute-valued algebras satisfying (x^p, x^q, x^r) = 0 for fixed integers p, q, r \in\{1,2\}. For…

Rings and Algebras · Mathematics 2010-02-12 A. Chandid , M. I. Ramirez , A. Rochdi

We introduce dilogarithm identities through a beta integral-based technique that we apply to provide analytic proofs of previously conjectured dilogarithm relations, solving open problems given by both Bytsko and Campbell, and that we…

Number Theory · Mathematics 2025-06-23 Cetin Hakimoglu-Brown

Anti-cocommutativity was introduced by Wang, Zhuang, Zhang (2013) in their paper Coassociative Lie algebras. Since universal enveloping algebras of Lie algebras are connected Hopf algebras, we extend enveloping algebras using the notion of…

Rings and Algebras · Mathematics 2018-02-01 Daniel Yee

Let R be the set of isomorphism classes of ideals in the Weyl algebra $A=A_{1}$, and let C be the set of isomorphism classes of triples (V; X, Y), where V is a finite-dimensional (complex) vector space, and X, Y are endomorphisms of V such…

Algebraic Geometry · Mathematics 2007-05-23 Yuri Berest , George Wilson

Let k be an algebraically closed field of characteristic zero. In joint work with J. Cuadra [arxiv.org/abs/1409.1644, arxiv.org/abs/1509.01165], we showed that a semisimple Hopf action on a Weyl algebra over a polynomial algebra…

Quantum Algebra · Mathematics 2016-12-14 Pavel Etingof , Chelsea Walton

Let $K$ be a field of characteristic zero, let $A_1=K[x][\partial ]$ be the first Weyl algebra. In this paper we prove the following two results. Assume there exists a non-zero polynomial $f(X,Y)\in K[X,Y]$, which has a non-trivial solution…

Algebraic Geometry · Mathematics 2025-06-25 Junhu Guo , Alexander Zheglov

This is a sequel to math.AG/0003009. Here we study identities for the Fourier transform of "elementary functions" over finite field containing "exponents" of monomial rational functions. It turns out that these identities are governed by…

Algebraic Geometry · Mathematics 2007-05-23 David Kazhdan , Alexander Polishchuk

We introduce two algebras associated with a subshift over an arbitrary alphabet. One is unital and the other not necessarily. We focus on the unital case and describe a conjugacy between Ott-Tomforde-Willis subshifts in terms of a…

Rings and Algebras · Mathematics 2023-12-04 Giuliano Boava , Gilles G. de Castro , Daniel Gonçalves , Daniel W. van Wyk

In a paper by Su and Zhao, the Lie algebra $A[D]=A\otimes F[D]$ of Weyl type was defined and studied, where $A$ is a commutative associative algebra with an identity element over a field $F$ of arbitrary characteristic, and $F[D]$ is the…

Quantum Algebra · Mathematics 2007-05-23 Guang'an Song , Yucai Su

In this paper, we associate quantum vertex algebras to a certain family of associative algebras $\widetilde{\A}(g)$ which are essentially Ding-Iohara algebras. To do this, we introduce another closely related family of associative algebras…

Quantum Algebra · Mathematics 2017-06-13 Haisheng Li , Shaobin Tan , Qing Wang

A non-degenerate associative bilinear form and a positive definite symmetric bilinear form on Weyl algebra are constructed.

Rings and Algebras · Mathematics 2013-12-24 Askar Dzhumadil'daev

Belov-Kanel and Kontsevich conjectured that the group of automorphisms of the n'th Weyl algebra and the group of polynomial symplectomorphisms of C^2 are canonically isomorphic. We discuss how this conjecture can be approached by means of…

Quantum Algebra · Mathematics 2015-05-19 Erik Backelin

Consider the algebra M(n,F) of n x n matrices over an infinite field F of arbitrary characteristic. An identity for M(n,F) with forms is such a polynomial in n x n generic matrices and in \sigma_k(x), 0<k\leq n, coefficients in the…

Rings and Algebras · Mathematics 2012-10-19 Artem A. Lopatin

In this article, we study the multiparameter second quantum Weyl algebra at roots of unity. In this setting, the algebra is a polynomial identity (PI) algebra, and the dimension of its simple modules is bounded above by its PI degree. We…

Representation Theory · Mathematics 2024-12-24 Sanu Bera
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