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This paper is devoted to the complete algebraic and geometric classification of complex $5$-dimensional Zinbiel algebras. In particular, we proved that the variety of complex $5$-dimensional Zinbiel algebras has dimension $24$, it is…

Rings and Algebras · Mathematics 2022-06-02 María Alejandra Alvarez , Renato Fehlberg Júnior , Ivan Kaygorodov

This paper is devoted to the complete algebraic and geometric classification of complex $5$-dimensional nilpotent binary Leibniz and $4$-dimensional nilpotent mono Leibniz algebras. As a corollary, we have the complete algebraic and…

Rings and Algebras · Mathematics 2025-01-10 Kobiljon Abdurasulov , Ivan Kaygorodov , Abror Khudoyberdiyev

The Leibniz algebras appeared as a generalization of the Lie algebras. In this work we deal with the classification of nilpotent complex Leibniz algebras of low dimensions. Namely, the classification of nilpotent complex Leibniz algebras…

Rings and Algebras · Mathematics 2007-05-23 S. Albeverio , B. A. Omirov , I. S. Rakhimov

We classify the nilpotent Lie algebras of real dimension eight and minimal center that admit a complex structure. Furthermore, for every such nilpotent Lie algebra $\mathfrak{g}$, we describe the space of complex structures on…

Rings and Algebras · Mathematics 2022-03-17 Adela Latorre , Luis Ugarte , Raquel Villacampa

This paper is devoted to the complete algebraic classification of complex $5$-dimensional nilpotent Novikov algebras.

Rings and Algebras · Mathematics 2024-02-02 Kobiljon Abdurasulov , Ivan Kaygorodov , Abror Khudoyberdiyev

In this paper, we study 4-dimensional nilpotent complex associative algebras. This is a continuation of the study of the moduli space of 4-dimensional algebras. The non-nilpotent algeras were analyzed in an earlier paper. Even though there…

Rings and Algebras · Mathematics 2013-09-24 Alice Fialowski , Michael Penkava

Working over an arbitrary field of characteristic different from $2$, we extend the Skjelbred-Sund method to compatible Lie algebras and give a full classification of nilpotent compatible Lie algebras up to dimension $4$. In case the base…

Rings and Algebras · Mathematics 2024-11-11 Manuel Ladra , Bernardo Leite da Cunha , Samuel A. Lopes

We give a geometric classification of all $6$-dimensional nilpotent Tortkara algebras over $\mathbb C$

Rings and Algebras · Mathematics 2020-04-03 Ilya Gorshkov , Ivan Kaygorodov , Mykola Khrypchenko

We classify nilpotent associative algebras of dimensions up to 4 over any field. This is done by constructing the nilpotent associative algebras as central extensions of algebras of smaller dimension, analogous to methods known for…

Rings and Algebras · Mathematics 2017-05-23 Willem A. de Graaf

The paper is devoted to give a full classification of all finite dimensional nilpotent Lie algebras $ L $ of class $4$ such that $ \dim L^2=3. $ Moreover, we classify the capable ones.

Rings and Algebras · Mathematics 2021-05-21 Faangis Johari , Peyman Niroomand , Mohsen Parvizi

In this paper we classify the laws of three-dimensional and four-dimensional nilpotent Jordan algebras over the field of complex numbers. We describe the irreducible components of their algebraic varieties and extend contractions and…

Rings and Algebras · Mathematics 2017-02-13 J. M. Ancochea Bermudez , J. Fresan , Juan Margalef-Bentabol

Leibniz algebras are certain generalization of Lie algebras. In this paper we give the classification of four dimensional non-Lie nilpotent Leibniz algebras. We use the canonical forms for the congruence classes of matrices of bilinear…

Rings and Algebras · Mathematics 2015-11-24 Ismail Demir , Kailash C. Misra , Ernie Stitzinger

The geometric classifications of complex $4$-dimensional nilpotent Lie-Yamaguti algebras, $4$-dimensional nilpotent Bol algebras, and $4$-dimensional nilpotent compatible Lie algebras are given.

Rings and Algebras · Mathematics 2025-08-20 Kobiljon Abdurasulov , Abror Khudoyberdiyev , Feruza Toshtemirova

We prove that there are no rigid complex filiform Lie algebras in the variety of (filiform) Lie algebras of dimension less than or equal to 11. More precisely we show that in any Euclidean neighborhood of a filiform Lie bracket (of low…

Rings and Algebras · Mathematics 2017-09-15 Paulo Tirao , Sonia Vera

We give necessary conditions for the existence of degenerations between two complex Lie superalgebras of dimension $(m,n)$. As an application, we study the variety $\mathcal{LS}^{(2,2)}$ of complex Lie superalgebras of dimension $(2,2)$.…

Rings and Algebras · Mathematics 2018-02-27 María Alejandra Alvarez , Isabel Hernández

In this paper we obtain the classification of $p$-nilpotent restricted Lie algebras of dimension at most four over a perfect field of characteristic p.

Rings and Algebras · Mathematics 2014-04-04 Csaba Schneider , Hamid Usefi

Leibniz algebras are certain generalization of Lie algebras. In this paper we give the classification of $5-$dimensional complex non-Lie nilpotent Leibniz algebras. We use the canonical forms for the congruence classes of matrices of…

Rings and Algebras · Mathematics 2017-06-06 Ismail Demir

The paper is devoted to classify nilpotent Jordan algebras of dimension up to five over an algebraically closed field of characteristic not 2. We obtained a list of 35 isolated non-isomorphic 5-dimensional nilpotent non-associative Jordan…

Rings and Algebras · Mathematics 2016-01-21 A. S. Hegazi , Hani Abdelwahab

We classify nilpotent Lie algebras with complex structures of weakly non-nilpotent type in real dimension eight, which is the lowest dimension where they arise. Our study, together with previous results on strongly non-nilpotent structures,…

Differential Geometry · Mathematics 2025-02-10 A. Latorre , L. Ugarte

The paper is devoted to give a complete classification of five-dimension nilpotent evolution algebras over an algebraically closed field. We obtained a list of 27 isolated non-isomorphic nilpotent evolution algebras and 2 families of…

Commutative Algebra · Mathematics 2015-09-01 A. S. Hegazi , Hani Abdelwahab