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An algorithm for embedding finite dimensional Lie algebras into Lie algebras of vector fields (and Lie superalgebras into Lie superalgebras of vector fields) is offered in a way applicable over ground fields of any characteristic. The…

Representation Theory · Mathematics 2009-11-11 Irina Shchepochkina

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 show that the method for describing solvable Lie algebras with given nilradical by means of non-nilpotent outer derivations of the nilradical is also applicable to the case of Leibniz algebras. Using this method we extend…

Rings and Algebras · Mathematics 2012-03-22 J. M. Casas , M. Ladra , B. A. Omirov , I. A. Karimjanov

In this paper, we introduce the notion of derivations of Lie 2-algebras and construct the associated derivation Lie 3-algebra. We prove that isomorphism classes of non-abelian extensions of Lie 2-algebras are classified by equivalence…

Mathematical Physics · Physics 2015-06-04 Shaohan Chen , Yunhe Sheng , Zhujun Zheng

We obtain minimal dimension matrix representations for each indecomposable five-dimensional Lie algebra over $\R$ and justify in each case that they are minimal. In each case a matrix Lie group is given whose matrix Lie algebra provides the…

Differential Geometry · Mathematics 2014-02-21 Ryad Ghanam , G. Thompson

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

We determine the solvable complete Lie algebras whose nilradical is isomorphic to a filiform Lie algebra. Moreover we show that for any positive integer $n$ there exists a solvable complete Lie algebras whose second cohomology group with…

Rings and Algebras · Mathematics 2007-05-23 J. M. Ancochea , R. Campoamor

There are three kinds of Lie superalgebras for each differentiable manifold. In this note, we shall show an application of the homology groups of those superalgebras in order to classify 4 dimensional Engel-like Lie algebras.

Differential Geometry · Mathematics 2023-01-02 Kentaro Mikami , Tadayoshi Mizutani , Hajime Sato

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

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

First, we construct some families of nonsolvable anticommutative algebras, solvable Lie algebras and even nilpotent Lie algebras, that can be endowed with the structure of a simple Hom-Lie algebra. This situation shows that a classification…

Rings and Algebras · Mathematics 2022-05-23 Youness El Kharraf

The main definitions and properties of Lie superalgebras are proposed a la facon de a short dictionary, the different items following the alphabetical order. The main topics deal with the structure of simple Lie superalgebras and their…

High Energy Physics - Theory · Physics 2007-05-23 L. Frappat , A. Sciarrino , P. Sorba

We describe the definition of Jacobi (generalized)-Lie bialgebras $(({\bf{g}},\phi_{0}),({\bf{g}}^{*},X_{0}))$ in terms of structure constants of the Lie algebras ${\bf{g}}$ and ${\bf{g}}^{*}$ and components of their 1-cocycles $X_{0}\in…

Mathematical Physics · Physics 2016-12-28 A. Rezaei-Aghdam , M. Sephid

Results describing Lie ideals and maximal finite-codimensional Lie subalgebras of the Lie algebras associated with Lie algebroids with non-singular anchor maps are presented. It is also proved that every isomorphism of such Lie algebras…

Differential Geometry · Mathematics 2007-05-23 Janusz Grabowski , Katarzyna Grabowska

We characterize finite-dimensional Lie algebras over an arbitrary field of characteristic zero which admit a non-trivial (quasi-) triangular Lie bialgebra structure.

Mathematical Physics · Physics 2007-05-23 Joerg Feldvoss

A way to construct (conjecturally all) simple finite dimensional modular Lie (super)algebras over algebraically closed fields of characteristic not 2 is offered. In characteristic 2, the method is supposed to give only simple Lie…

Representation Theory · Mathematics 2007-10-31 Dimitry Leites

We classify the automorphic Lie algebras of equivariant maps from a complex torus to $\mathfrak{sl}_2(\mathbb{C})$. For each case we compute a basis in a normal form. The automorphic Lie algebras correspond precisely to two disjoint…

Rings and Algebras · Mathematics 2024-11-20 Vincent Knibbeler , Sara Lombardo , Casper Oelen

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

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

In this paper we present a complete classification (isomorphism classes with some isomorphism invariants) of complex associative algebras up to dimension five (including both cases: unitary and non-unitary). In some symbolic computations we…

Rings and Algebras · Mathematics 2009-10-07 I. S. Rakhimov , I. M. Rikhsiboev , W. Basri