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We review the known results about characteristically nilpotent complex Lie algebras, as well as we comment recent developements in the theory.

Rings and Algebras · Mathematics 2007-05-23 Jose Maria Ancochea , Otto Rutwig Campoamor

We give a classification of the principal and distinguished nilpotent pairs in all classical Lie algebras. As a classification of the principal pairs in the exceptional simple Lie algebras was obtained earlier (see Appendix to Ginzburg's…

Representation Theory · Mathematics 2007-05-23 Alexander G. Elashvili , Dmitri I. Panyushev

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

In this paper we classify filiform associative algebras of degree $k$ over a field of characteristic zero. Moreover, we also classify naturally graded complex filiform and quasi-filiform nilpotent associative algebras which are described by…

Rings and Algebras · Mathematics 2018-08-21 Ikboljon A. Karimjanov , Manuel Ladra

A thin Lie algebras is a Lie algebra $L$, graded over the positive integers, with its first homogeneous component $L_1$ of dimension two and generating $L$, and such that each nonzero ideal of $L$ lies between consecutive terms of its lower…

Rings and Algebras · Mathematics 2023-02-21 Sandro Mattarei

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…

Rings and Algebras · Mathematics 2018-10-17 James Francese , Abror Khudoyberdiyev , Bennett Rennier , Anastasia Voloshinov

We characterize those graphs which correspond to a rigid 2-step nilpotent Lie algebra in the variety of at most 2-step nilpotent Lie algebras.

Rings and Algebras · Mathematics 2022-06-22 Josefina Barrionuevo , Paulo Tirao

A Lie algebra $L$ is said to be of breadth $k$ if the maximal dimension of the images of left multiplication by elements of the algebra is $k$. In this paper we give characterization of finite dimensional nilpotent Lie algebras of breadth…

Rings and Algebras · Mathematics 2014-10-13 Borworn Khuhirun , Kailash C. Misra , Ernie Stitzinger

The aim of this work is to present the description up to isomorphism of Leibniz superalgebras with characteristic sequence (n | m-1, 1) and nilindex n+m.

Rings and Algebras · Mathematics 2008-11-24 L. M. Camacho , J. R. Gómez , R. M. Navarro , B. A. Omirov

In this paper, we define partially capable Lie superalgebra. As an application we classify all capable nilpotent Lie superalgebras of dimension less than equal to five.

Rings and Algebras · Mathematics 2023-08-22 Rudra Narayan Padhan , Ibrahem Yakzan Hasan , Saudamini Nayak

We give a full classification of 6-dimensional nilpotent Lie algebras over an arbitrary field, including fields that are not algebraically closed and fields of characteristic~2. To achieve the classification we use the action of the…

Rings and Algebras · Mathematics 2020-06-26 Serena Cicalo , Willem A de Graaf , Csaba Schneider

In recent years, the finite W-algebras associated to a semisimple Lie algebra and its nilpotent element have been studied intensively from different viewpoints. In this lecture series, we shall present some basic constructions, connections,…

Representation Theory · Mathematics 2011-01-26 Weiqiang Wang

The aim of this work is to present the first problems that appear in the study of nilpotent Leibniz superalgebras. These superalgebras and so the problems, will be considered as a natural generalization of nilpotent Leibniz algebras and Lie…

Rings and Algebras · Mathematics 2016-08-16 J. R. Gómez , R. M. Navarro , B. A. Omirov

We explain how the theory of sandwich cellular algebras can be seen as a version of cell theory for algebras. We apply this theory to many examples such as Hecke algebras, and various monoid and diagram algebras.

Representation Theory · Mathematics 2026-04-07 Daniel Tubbenhauer

This paper is a contribution to the development of the non associative algebras theory. More precisely, this work deals with the classification of the complex 4-dimensional Leibniz algebras. Note that the classification of 4-dimensional…

Rings and Algebras · Mathematics 2013-02-01 Elisa M. Canete , Abror Kh. Khudoyberdiyev

In the present paper we give the full description of the Lie nilpotent group algebras which have maximal Lie nilpotency indices.

Rings and Algebras · Mathematics 2007-05-23 Victor Bovdi , Ernesto Spinelli

First we describe the Skjelbred-Sund method for classifying nilpotent Lie algebras. Then we use it to classify 6-dimensional nilpotent Lie algebras over any field of characteristic not 2. The proof of this classification is essentially…

Rings and Algebras · Mathematics 2007-05-23 W. A. de Graaf

In this article, we define the capable pairs of Lie superalgebras. We classify all capable pairs of abelian and Heisenberg Lie superalgebras. After that we discuss on pairs of Lie superalgebras with derived subalgebra of dimension one and a…

Rings and Algebras · Mathematics 2022-07-26 Ibrahem Yakzan Hasan , Rudra Narayan Padhan , Manjula Das

We describe algorithms for computing the induced nilpotent orbits in semisimple Lie algebras. We use them to obtain the induction tables for the Lie algebras of exceptional type. This also yields the classification of the rigid nilpotent…

Representation Theory · Mathematics 2009-07-09 W. A. de Graaf , A. G. Elashvili

We propose the study and description of the structure of complex Lie algebras with nilradical a nilpotent Lie algebra of type 2 by using sl2(C)-representation theory. Our results will be applied to review the classification given in [1] (J.…

Rings and Algebras · Mathematics 2016-11-26 Pilar Benito , Daniel de-la-Concepción