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We study the algebra of upper triangular matrices endowed with a group grading and a homogeneous involution over an infinite field. We compute the asymptotic behaviour of its (graded) star-codimension sequence. It turns out that the…

Rings and Algebras · Mathematics 2024-12-25 Diogo Diniz , Felipe Yukihide Yasumura

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

In this short note, we describe the so-called homogeneous involution on finite-dimensional graded-division algebra over an algebraically closed field. We also compute their graded polynomial identities with involution. As pointed out by L.…

Rings and Algebras · Mathematics 2024-02-06 Felipe Yukihide Yasumura

An important aspect in the theory of algebras with polynomial identities is the study of the asymptotic behavior of the codimension sequence $c_n(A),\, n\geq 1,$ which measures the growth of polynomial identities of a given algebra $A$. In…

Rings and Algebras · Mathematics 2025-12-05 Wesley Quaresma Cota , Felipe Yasumura

We study the homogeneous involutions on the full square matrices over an algebraically closed field endowed with a division grading with commutative support. We obtain the classification of the isomorphism and equivalence classes for the…

Rings and Algebras · Mathematics 2026-01-30 Micael Said Garcia , Cassia Ferreira Sampaio

Let $K \langle X\rangle$ be the free associative algebra freely generated over the field $K$ by the countable set $X = \{x_1, x_2, \ldots\}$. If $A$ is an associative $K$-algebra, we say that a polynomial $f(x_1,\ldots, x_n) \in K \langle…

Rings and Algebras · Mathematics 2024-11-12 Jonatan Andres Gomez Parada , Plamen Koshlukov

We compute the graded polynomial identities and its graded codimension sequence for the elementary gradings of the Lie algebra of upper triangular matrices of order 3.

Rings and Algebras · Mathematics 2024-02-06 Felipe Yukihide Yasumura

We study identities of finite dimensional algebras over a field of characteristic zero, graded by an arbitrary groupoid $\Gamma$. First we prove that its graded colength has a polynomially bounded growth. For any graded simple algebra $A$…

Rings and Algebras · Mathematics 2017-01-09 Dušan D. Repovš , Mikhail V. Zaicev

Let A be a finite dimensional algebra over a field of characteristic zero graded by a finite abelian group G. Here we study a growth function related to the graded polynomial identities satisfied by A by computing the exponential rate of…

Rings and Algebras · Mathematics 2009-03-12 Eli Aljadeff , Antonio Giambruno , Daniela La Mattina

Let $F$ be an infinite field, and let $M_{n}(F)$ be the algebra of $n\times n$ matrices over $F$. Suppose that this algebra is equipped with an elementary grading whose neutral component coincides with the main diagonal. In this paper, we…

Rings and Algebras · Mathematics 2020-01-03 Luís Felipe Gonçalves Fonseca , Thiago Castilho de Mello

We compute the graded polynomial identities for the variety of graded algebras generated by the Lie algebra of upper triangular matrices of order 3 over an arbitrary field and endowed with an elementary grading. We investigate the Specht…

Rings and Algebras · Mathematics 2024-12-19 Daniela Martinez Correa , Felipe Yukihide Yasumura

Let $F$ be a field of characteristic zero. We prove that if a group grading on $UT_m(F)$ admits a graded involution then this grading is a coarsening of a $\mathbb{Z}^{\lfloor\frac{m}{2}\rfloor}$-grading on $UT_m(F)$ and the graded…

Rings and Algebras · Mathematics 2023-05-16 Diogo Diniz , Alex Ramos

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

We study polynomial identities of finite dimensional simple color Lie superalgebras over an algebraically closed field of characteristic zero graded by the product of two cyclic groups of order $2$. We prove that the codimensions of…

Rings and Algebras · Mathematics 2016-02-22 Dušan Pagon , Dušan Repovš , Mikhail Zaicev

We give an easy algorithm which calculates the generating function of the cocharacter sequence of the T-ideal of the polynomial identities of the algebra of upper triangular matrices over a field of characteristic zero. Applying this…

Rings and Algebras · Mathematics 2011-01-25 Silvia Boumova , Vesselin Drensky

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 $\mathbb{F}$ 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 G be a finite group and A a finite dimensional G-graded algebra over a field of characteristic zero. When A is simple as a G-graded algebra, by mean of Regev central polynomials we construct multialternating graded polynomials of…

Rings and Algebras · Mathematics 2012-04-17 Eli Aljadeff , Antonio Giambruno

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

Let $G$ be an abelian group and $\mathbb{K}$ an algebraically closed field of characteristic zero. A. Valenti and M. Zaicev described the $G$-gradings on upper block-triangular matrix algebras provided that $G$ is finite. We prove that…

Rings and Algebras · Mathematics 2018-03-28 Alex Ramos , Diogo Diniz
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