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Classification, up to isomorphism, of algebras from a non-empty subset of the variety of $n$- dimensional algebras is presented. It is shown that these algebras have only trivial automorphism and if the basic field is algebraically closed…

Rings and Algebras · Mathematics 2024-09-11 Ural Bekbaev

We characterize completey (give a necessary and suffcient condition using special neat embeddings)for a relation algebra to belong to the amalgamation, strong amalgamation, and superamalgamation base of the class of representable algebras.…

Logic · Mathematics 2013-04-03 Tarek Sayed Ahmed

We study from the point of view of rational equivalence the enveloping algebras of Lie algebras of dimension 3 whose derived Lie subalgebra is of dimension 2, over an algebraically closed base field in arbitrary characteristics.

Rings and Algebras · Mathematics 2022-11-11 Jacques Alev , François Dumas , César Lecoutre

We study maximal subalgebras of an arbitrary finite dimensional algebra over a field, and obtain full classification/description results of such algebras. This is done by first obtaining a complete classification in the semisimple case, and…

Rings and Algebras · Mathematics 2017-08-31 Miodrag Iovanov , Alexander Sistko

The notion of $\delta$-Novikov algebras was introduced recently as a generalization of Novikov and bicommutative algebras. It looks like $\delta$-Novikov algebras have a richer structure than Novikov algebras. So, unlike Novikov algebras,…

Rings and Algebras · Mathematics 2026-03-27 Hani Abdelwahab , Ivan Kaygorodov , Roman Lubkov

Two-dimensional real hyporeductive triple algebras (h.t.a.) are investigated. A classification of such algebras is presented. As a consequence, a classification of two-dimensional real Lie triple algebras (i.e. generalized Lie triple…

Rings and Algebras · Mathematics 2010-10-15 A. Nourou Issa

For a given extension $A \subset E$ of associative algebras we describe and classify up to an isomorphism all $A$-complements of $E$, i.e. all subalgebras $X$ of $E$ such that $E = A + X$ and $A \cap X = \{0\}$. Let $X$ be a given…

Rings and Algebras · Mathematics 2014-02-24 A. L. Agore

This paper is devoted to the classification and studying properties of complex unital $3$-dimensional structurable algebras. We provide a complete list of non-isomorphic classes, identifying five algebras for type $(2, 1)$ and two algebras…

Rings and Algebras · Mathematics 2026-03-05 Kobiljon Abdurasulov , Maqpal Eraliyeva , Ivan Kaygorodov

In this note we study associative dialgebras proving that the most interesting such structures arise precisely when the algebra is not semiprime. In fact the presence of some "perfection" property (simpleness, primitiveness, primeness or…

Rings and Algebras · Mathematics 2010-12-23 Candido Martin Gonzalez

We describe a method for classifying the Novikov algebras with a given associated Lie algebra. Subsequently we give the classification of the Novikov algebras of dimension 3 over R and C, as well as the classification of the 4-dimensional…

Rings and Algebras · Mathematics 2011-06-30 Dietrich Burde , Willem A. de Graaf

The automorphisms groups and derivation algebras of all two-dimensional algebras over algebraically closed fields are described.

Rings and Algebras · Mathematics 2018-12-10 H. Ahmed , U. Bekbaev , I. Rakhimov

We give the classification of all $n$-dimensional anticommutative complex algebras with $(n-3)$-dimensional annihilator. Namely, we describe all central extensions of all $3$-dimensional anticommutative complex algebras.

Rings and Algebras · Mathematics 2020-04-03 Antonio Jesús Calderón , Amir Fernández Ouaridi , Ivan Kaygorodov

We take a categorical approach to describe ternary derivations and ternary automorphisms of triangular algebras. New classes of automorphisms and derivations of triangular algebras are also introduced and studied.

We develop new techniques to classify basic algebras of blocks of finite groups over algebraically closed fields of prime characteristic. We apply these techniques to simplify and extend previous classifications by Linckelmann, Murphy and…

Representation Theory · Mathematics 2023-01-26 Dave Benson , Benjamin Sambale

We characterize vertex algebras (in a suitable sense) as algebras over a certain graded co-operad. We also discuss some examples and categorical implications of this characterization.

Rings and Algebras · Mathematics 2010-06-02 Ruthi Hortsch , Igor Kriz , Ales Pultr

In this paper, we give algorithms for determining the existence of isomorphism between two finite-dimensional Lie algebras and compute such an isomorphism in the affirrmative case. We also provide algorithms for determining algebraic…

Rings and Algebras · Mathematics 2021-02-23 Tuan A. Nguyen , Vu A. Le , Thieu N. Vo

All subalgebras, idempotents, left(right) ideals and left quasi-units of two-dimensional algebras are described. Classification of algebras with given number of subalgebras, left(right) ideals are provided. In particular, a list of…

Rings and Algebras · Mathematics 2019-10-11 H. Ahmed , U. Bekbaev , I. Rakhimov

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.

Rings and Algebras · Mathematics 2024-07-30 A. Andrada , M. L. Barberis , I. G. Dotti

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.

Rings and Algebras · Mathematics 2018-12-04 H. Ahmed , U. Bekbaev , I. Rakhimov

In this paper we give the complete classification of $5$-dimensional complex solvable symmetric Leibniz algebras.

Rings and Algebras · Mathematics 2025-05-21 Iroda Choriyeva , Abror Khudoyberdiyev