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The main result of the paper is the classification of all (nonassociative) algebras of level two, i.e. such algebras that maximal chains of nontrivial degenerations starting at them have length two. During this classification we obtain an…

环与代数 · 数学 2020-04-03 Ivan Kaygorodov , Yury Volkov

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.

数学物理 · 物理学 2010-06-11 Ruipu Bai , Xiaoling Wang , Yaozhong Zhang

In this paper we describe all, up to isomorphism, left unital, right unital and unital algebra structures on two-dimensional vector space over any algebraically closed field and $\mathbb{R}$. We tabulate the algebras with the units.

环与代数 · 数学 2018-12-04 H. Ahmed , U. Bekbaev , I. Rakhimov

We illustrate some simple ideas that can be used for obtaining a classification of small-dimensional solvable Lie algebras.Using these we obtain the classification of 3 and 4 dimensional solvable Lie algebras (over fields of any…

环与代数 · 数学 2007-05-23 W. A. de Graaf

We give a full classification, up to equivalence, of finite-dimensional graded division algebras over the field of real numbers. The grading group is any abelian group.

环与代数 · 数学 2018-03-06 Yuri Bahturin , Mikhail Zaicev

We give a complete classification (up to isomorphism) of Lie conformal algebras which are free of rank two as $\C[\partial]$-modules, and determine their automorphism groups.

表示论 · 数学 2019-07-12 Rekha Biswal , Abdelkarim Chakhar , Xiao He

This paper is devoted to the description of complex finite-dimensional algebras of level two. We obtain the classification of algebras of level two in the varieties of Jordan, Lie and associative algebras.

环与代数 · 数学 2015-12-09 A. Kh. Khudoyberdiyev

We classify the 6-dimensional Lie algebras that can be endowed with an abelian complex structure and parameterize, on each of these algebras, the space of such structures up to holomorphic isomorphism.

环与代数 · 数学 2024-07-30 A. Andrada , M. L. Barberis , I. G. Dotti

A finite-dimensional unital and associative algebra over $\mathbb{R}$, or what we shall call simply "an algebra" in this paper for short, generalities the construction by which we derive the complex numbers by "adjoining an element $i$" to…

环与代数 · 数学 2017-08-04 Nathan BeDell

We give a geometric classification of 4-dimensional superalgebras over an algebraic closed field.

环与代数 · 数学 2013-03-22 Aaron Armour , Yinhuo Zhang

A complete classifications of two-dimensional general, commutative, commutative Jordan, division and evolution real algebras are given. In the case of evolution algebras their groups of automorphisms and derivation algebras are described as…

环与代数 · 数学 2018-12-04 U. Bekbaev

This paper is devoted to the description of complex finite-dimensional algebras of level two. We obtain the classification of algebras of level two in the variety of Leibniz algebras. It is shown that, up to isomorphism, there exist three…

This paper consists of a description of the variety of two dimensional associative algebras within the framework of Nonstandard Analysis. By decomposing each algebra in A^2 as sum of a Jordan algebra and a Lie algebra, we calculate the…

环与代数 · 数学 2011-11-10 J. M. Ancochea Bermudez , J. Fresan , J. Sanchez Hernandez

The classification, up to isomorphism, of two-dimensional (not necessarily commutative) Jordan algebras over algebraically closed fields and $\mathbb{R}$ is presented in terms of their matrices of structure constants.

环与代数 · 数学 2018-12-10 H. Ahmed , U. Bekbaev , I. Rakhimov

An endo-commutative algebra is a nonassociative algebra in which the square mapping preserves multiplication. In this paper, we give a complete classification of 2-dimensional endo-commutative straight algebras of rank one over an arbitrary…

环与代数 · 数学 2023-05-30 Sin-Ei Takahasi , Kiyoshi Shirayanagi , Makoto Tsukada

For any finite dimensional basic associative algebra, we study the presentation spaces and their relation with the representation spaces. We prove two propositions about a general presentation, one on its subrepresentations and the other on…

环与代数 · 数学 2015-04-10 Harm Derksen , Jiarui Fei

Let $A$ and $B$ be finite-dimensional simple algebras with arbitrary signature over an algebraically closed field. Suppose $A$ and $B$ are graded by a semigroup $S$ so that the graded identitical relations of $A$ are the same as those of…

环与代数 · 数学 2019-10-07 Yuri Bahturin , Felipe Yasumura

We associate an square to any two dimensional evolution algebra. This geometric object is uniquely determined, does not depend on the basis and describes the structure and the behaviour of the algebra. We determine the identities of degrees…

We classify, up to isomorphism and up to equivalence, involutions on graded-division finite-dimensional simple real (associative) algebras, when the grading group is abelian.

环与代数 · 数学 2018-02-13 Yuri Bahturin , Mikhail Kochetov , Adrián Rodrigo-Escudero

We classify all 2-term $L_\infty$-algebras up to isomorphism. We show that such $L_\infty$-algebras are classified by a Lie algebra, a vector space, a representation (all up to isomorphism) and a cohomology class of the corresponding Lie…

量子代数 · 数学 2022-03-15 Kevin S. van Helden