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It is known that any multiplication of a finite dimensional algebra is determined by a matrix of structural constants. In general, this is a cubic matrix. Difficulty of investigation of an algebra depends on the cubic matrix. Such a cubic…

Rings and Algebras · Mathematics 2019-10-10 A. N. Imomkulov , U. A. Rozikov

A class of algebras called down-up algebras was introduced by G. Benkart and T. Roby. We classify the finite dimensional simple modules over Noetherian down-up algebras and show that in some cases every finite dimensional module is…

Representation Theory · Mathematics 2007-05-23 Paula A. A. B. Carvalho , Ian M. Musson

We consider several distinct characterizations of finite implication algebras. One of these leads to a new characterization of Boolean polymatroids.

Combinatorics · Mathematics 2009-02-03 Colin Bailey , Joseph Oliveira

We give a complete classification of (n+2)-dimensional n-Lie algebras over an algebraically closed field of characteristic $2$, and provide a isomorphic criterion theorem of (n+2)-dimensional n-Lie algebras.

Mathematical Physics · Physics 2010-06-11 Ruipu Bai , Xiaoling Wang , Yaozhong Zhang

For any finitely generated abelian group $Q$, we reduce the problem of classification of $Q$-graded simple Lie algebras over an algebraically closed field of "good" characteristic to the problem of classification of gradings on simple Lie…

Representation Theory · Mathematics 2016-11-29 Volodymyr Mazorchuk , Kaiming Zhao

In this paper we study subalgebras of complex finite dimensional evolution algebras. We obtain the classification of nilpotent evolution algebras whose any subalgebra is an evolution subalgebra with a basis which can be extended to a…

Rings and Algebras · Mathematics 2014-12-08 L. M. Camacho , A. Kh. Khudoyberdiyev , B. A. Omirov

We introduce a class of Lie algebras called admissible Lie algebras. We show that a locally finite admissible simple Lie algebra contains a nonzero maximal toral subalgebra and the corresponding root system is an irreducible locally finite…

Quantum Algebra · Mathematics 2010-06-08 Malihe Yousofzadeh

The concept of "table algebra" was introduced by Z Arad anf H. Blau in order to study in a uniform way properties of products of conjugacy classes and of irreducible characters of a finite group, Except for certain cases which remain open,…

Group Theory · Mathematics 2008-02-21 Zvi Arad , Guiyun Chen , Arisha Haj Ihia Hussam

We provide a clarification of the classification of two-dimensional algebras over an arbitrary base field. Using this clarification, we determine the number of non-isomorphic two-dimensional algebras over a finite field.

Rings and Algebras · Mathematics 2026-05-26 U. Bekbaev

A characterization of the maximal abelian sub-algebras of matrix algebras that are normalized by the canonical representation of a finite Heisenberg group is given. Examples are constructed using a classification result for finite…

Representation Theory · Mathematics 2010-02-19 Amritanshu Prasad , M. K. Vemuri

We introduce a new class of symmetric algebras, which we call hybrid algebras. This class contains on one extreme Brauer graph algebras, and on the other extreme general weighted surface algebras. We show that hybrid algebras are precisely…

Representation Theory · Mathematics 2024-01-09 Karin Erdmann , Andrzej Skowroński

We study representations of the double affine Lie algebra associated to a simple Lie algebra. We construct a family of indecomposable integrable representations and identify their irreducible quotients. We also give a condition for the…

Quantum Algebra · Mathematics 2007-05-23 Vyjayanthi Chari , Thang Le

We define noncommutative binary forms. Using the typical representation of Hermite we prove the fundamental theorem of algebra and we derive a noncommutative Cardano formula for cubic forms. We define quantized elliptic and hyperelliptic…

Quantum Algebra · Mathematics 2015-06-26 Frank Leitenberger

We classify the irreducible finite-dimensional representations of the twisted quantum affine algebras.

q-alg · Mathematics 2008-02-03 Vyjayanthi Chari , Andrew Pressley

Let $A$ be an Artin algebra. We investigate subalgebras of $A$ with certain conditions and obtain some classes of algebras whose finitistic dimensions are finite.

Representation Theory · Mathematics 2013-01-29 Aiping Zhang , Shunhua Zhang

In this note, we will prove that a finite dimensional Lie algebra $L$ of characteristic zero, admitting an abelian algebra of derivations $D\leq Der(L)$ with the property $$ L^n\subseteq \sum_{d\in D}d(L) $$ for some $n\geq 1$, is…

Representation Theory · Mathematics 2010-11-09 Mohammad Shahryari

The paper is devoted studying solvable Leibniz algebras with a nilradical possessing the codimension equals the number of its generators. We describe this class in non-split nilradical case. Then the case of split nilradical is worked out.…

Rings and Algebras · Mathematics 2022-01-11 K. K. Abdurasulov , B. A. Omirov , I. S. Rakhimov

Let k a characteristic zero field. We give a characterization for the finite quiver k-algebras, based on double derivations. More precisely, we prove that if an associative and unitary k-algebra have a family of double derivations…

Rings and Algebras · Mathematics 2008-07-09 Jorge A. Guccione , Juan J. Guccione

We study the problem of whether a given finite algebra with finitely many basic operations contains a cube term; we give both structural and algorithmic results. We show that if such an algebra has a cube term then it has a cube term of…

Rings and Algebras · Mathematics 2020-09-17 Alexandr Kazda , Dmitriy Zhuk

We construct algebras from rhombohedral tilings of Euclidean space obtained as projections of certain cubical complexes. We show that these `Cubist algebras' satisfy strong homological properties, such as Koszulity and quasi-heredity,…

Representation Theory · Mathematics 2007-10-30 J. Chuang , W. Turner