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Let $W$ be a $G$-graded algebra over a field of characteristic zero, where $G$ is a finite group. We develope a theory of generalized $G$-graded polynomial identities satisfied by any finite-dimensional $W$-algebra $A$, by mean of the…

Rings and Algebras · Mathematics 2025-12-01 Giovanni Busalacchi , Fabrizio Martino , Carla Rizzo

Let F be a field of characteristic different from $2$, and let $UT_2(F)$ be the algebra of $2\times 2$ upper triangular matrices over $F$. For every involution of the first kind on $UT_2(F)$, we describe the set of all $*$-central…

Rings and Algebras · Mathematics 2019-02-07 Ronald Ismael Quispe Urure , Dimas José Gonçalves

Let $K$ be a field (finite or infinite) of char$(K)\neq 2$ and let $UT_n=UT_n(K)$ be the $n\times n$ upper triangular matrix algebra over $K$. If $\cdot $ is the usual product on $UT_n$ then with the new product $a\circ b=(1/2)(a\cdot b…

Rings and Algebras · Mathematics 2020-11-24 Dimas J. Gonçalves , Mateus E. Salomão

Let $A$ be a $W$-algebra over a field $F$ of characteristic zero, where $W$ is any $F$-algebra. We first develop a comprehensive theory of generalized identities independent of the algebraic structure of $W$, using the multiplier algebra of…

Rings and Algebras · Mathematics 2026-05-01 Fabrizio Martino , Carla Rizzo

Let $\mathbb{F}$ be a field of characteristic $p$, and let $UT_n(\mathbb{F})$ be the algebra of $n \times n$ upper triangular matrices over $\mathbb{F}$ with an involution of the first kind. In this paper we describe: the set of all…

Rings and Algebras · Mathematics 2020-07-09 Dimas J. Gonçalves , Dalton C. Silva

Let $F$ be an infinite field and $UT(d_1,\dots, d_n)$ be the algebra of upper block-triangular matrices over $F$. In this paper we describe a basis for the $G$-graded polynomial identities of $UT(d_1,\dots, d_n)$, with an elementary grading…

Rings and Algebras · Mathematics 2020-01-03 Diogo Diniz Pereira da Silva e Silva , Thiago Castilho de Mello

In this paper we consider the algebra of upper triangular matrices UT$_n(F)$, endowed with a $\mathbb{Z}_2$-grading (superalgebra) and equipped with a superinvolution. These structures naturally arise in the context of Lie and Jordan…

Rings and Algebras · Mathematics 2025-09-12 Elena Campedel , Pedro Fagundes , Antonio Ioppolo

In this paper we study the growth of the differential identities of some algebras with derivations, i.e., associative algebras where a Lie algebra $L$ (and its universal enveloping algebra $U(L)$) acts on them by derivations. In particular,…

Rings and Algebras · Mathematics 2020-07-09 Carla Rizzo

Let K be a field of positive characteristic p, let R be either a group algebra K[G] or a restricted enveloping algebra u(L), and let I be the augmentation ideal of R. We first characterize those R for which I satisfies a polynomial identity…

Representation Theory · Mathematics 2012-02-17 David M. Riley , Mark C. Wilson

Based on work presented in [4], we define $S^2$-Upper Triangular Matrices and $S^2$-Lower Triangular Matrices, two special types of $d\times d(2d-1)$ matrices generalizing Upper and Lower Triangular Matrices, respectively. Then, we show…

Rings and Algebras · Mathematics 2023-10-03 Steven R. Lippold

Let $ F $ be a finite field and consider $ UT_n $ the algebra of $ n\times n $ upper triangular matrices over $ F $. In [1], it was proved that every $ G $-grading is elementary. In [2], the authors classified all nonisomorphic elementary $…

Rings and Algebras · Mathematics 2021-05-10 Ronald Ismael Quispe Urure , Tatiana Aparecida Gouveia

In this paper we study algebras with trace and their trace polynomial identities over a field of characteristic 0. We consider two commutative matrix algebras: $D_2$, the algebra of $2\times 2$ diagonal matrices and $C_2$, the algebra of $2…

Rings and Algebras · Mathematics 2020-12-22 Antonio Ioppolo , Plamen Koshlukov , Daniela La Mattina

In the paper we provide some polynomial identities for finite-dimensional algebras. A list of well known single polynomial identities is exposed and the classification of all $2$-dimensional algebras with respect to these identities is…

Rings and Algebras · Mathematics 2020-01-03 H. Ahmed , U. Bekbaev , I. Rakhimov

The "2-variable general-$\lambda$-matrix polynomials (2VG$\lambda$MP)" is a new family of matrix polynomials, introduced and studied in this article. These matrix polynomials are constructed using umbral and symbolic methods. We delve into…

Classical Analysis and ODEs · Mathematics 2024-12-03 Ghazala Yasmin , Aditi Sharma

We compute the graded polynomial identities of the infinite dimensional upper triangular matrix algebra over an arbitrary field. If the grading group is finite, we prove that the set of graded polynomial identities admits a finite basis. We…

Rings and Algebras · Mathematics 2024-02-19 Micael Said Garcia , Felipe Yukihide Yasumura

Let $UT_4(F)$ be $4\times 4$ upper triangular matrix algebra over a field $F$ of characteristic zero and let $\mathcal{A}$ be the subalgebra of $UT_4(F)$ linearly generated by $\{\mathbf{e}_{ij}:1 \leq i\leq j \leq 4 \} \setminus…

Rings and Algebras · Mathematics 2018-10-31 Ronald Ismael Quispe Urure

We consider fine G-gradings on M_n(C) (i.e. gradings of the matrix algebra over the complex numbers where each component is 1 dimensional). Groups which provide such a grading are known to be solvable. We consider the T-ideal of G-graded…

Rings and Algebras · Mathematics 2007-10-31 Eli Aljadeff , Darrell Haile , Michael Natapov

Let $F$ be a finite field with the characteristic $p > 2$ and let $G$ be the unitary Grassmann algebra generated by an infinite dimensional vector space $V$ over $F$. In this paper, we determine a basis for $\mathbb{Z}_{2}$-graded…

Rings and Algebras · Mathematics 2017-07-25 Luís Felipe Gonçalves Fonseca

We study the graded polynomial identities with a homogeneous involution on the algebra of upper triangular matrices endowed with a fine group grading. We compute their polynomial identities and a basis of the relatively free algebra,…

Rings and Algebras · Mathematics 2024-02-06 Thiago Castilho de Mello , Felipe Yukihide Yasumura

Let $F$ be a finite field with characteristic $p > 2$ and let $G$ be the unitary Grassmann algebra generated by an infinite dimensional vector space $V$ over $F$. In this paper, we determine a basis of the $\mathbb{Z}_{2}$-graded polynomial…

Rings and Algebras · Mathematics 2020-06-19 Luís Felipe Gonçalves Fonseca
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