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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

The first main result of this paper is to build the first and second restricted cohomology groups for restricted Lie superalgebras in characteristic $p\geq3$, modifying a construction by Yuan, Chen and Cao. We will explain how these groups…

Representation Theory · Mathematics 2024-10-10 Sofiane Bouarroudj , Quentin Ehret

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…

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

Simple Lie algebras of finite dimension over an algebraically closed field of characteristic 0 or $p> 3$ were recently classified. However, the problem over an algebraically closed field of characteristics 2 or 3 there exist only partial…

Rings and Algebras · Mathematics 2019-03-04 Carlos Rafael Payares Guevara , Jeovanny de Jesus Muentes Acevedo

In this paper, we describe restricted one-dimensional central extensions of all finite dimensional simple restricted Lie algebras defined over fields of characteristic $p\ge 5$.

Representation Theory · Mathematics 2016-09-27 Tyler J. Evans , Alice Fialowski

It is well known that a finite-dimensional Lie algebra over a field of characteristic zero is simple exactly when its derivation algebra is simple. In this paper we characterize those Lie algebras of arbitrary dimension over any field that…

Rings and Algebras · Mathematics 2025-01-28 Jörg Feldvoss , Salvatore Siciliano

We classify kinematical Lie algebras in dimension $D \geq 4$. This is approached via the classification of deformations of the relevant static kinematical Lie algebra. We also classify the deformations of the universal central extension of…

High Energy Physics - Theory · Physics 2018-07-04 José M. Figueroa-O'Farrill

We investigate the simple Lie algebra of type $F_4$ over an algebraically closed field of characteristic $p=3$. In this article we show that the restricted Ermolaev algebra makes an appearance as a maximal subalgebra of $F_4$.

Representation Theory · Mathematics 2016-08-23 Thomas Purslow

It is known that the category of Lie algebras over a ring admits algebraic exponents. The aim of this paper is to show that the same is true for the category of internal Lie algebras in an additive, cocomplete, symmetric, closed, monoidal…

Category Theory · Mathematics 2020-06-15 Xabier García-Martínez , James R. A. Gray

The purpose of this paper is to classify all $p$-nilpotent restricted Lie algebras of dimension 5 over perfect fields of characteristic $p\geq 5$. Our work builds upon the recent work of Schneider and Usefi on the classification of…

Rings and Algebras · Mathematics 2017-02-09 Iren Darijani , Hamid Usefi

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

We compute the restricted infinitesimal deformations of the restricted simple Lie algebras over an algebraically closed field of characteristic different from 2 and 3.

Algebraic Geometry · Mathematics 2012-10-01 Filippo Viviani

In this paper, nilpotent n-Lie algebras of dimension n + 3 as well as nilpotent n-Lie algebras of class 2 and dimension n + 4 are classified.

Rings and Algebras · Mathematics 2018-10-10 Mehdi Eshrati , Farshid Saeedi , Hamid Darabi

Motivated by the recent progress towards classification of simple finite-dimensional Lie algebras over an algebraically closed field of characteristic $2$, we investigate such $15$-dimensional algebras.

Rings and Algebras · Mathematics 2021-04-06 Alexander Grishkov , Henrique Guzzo , Marina Rasskazova , Pasha Zusmanovich

We give a comprehensive survey of the theory of finite dimensional Lie algebras over an algebraically closed field of characteristic p>0 and announce that for p>3 the classification of finite dimensional simple Lie algebras is complete. Any…

Rings and Algebras · Mathematics 2007-05-23 Alexander Premet , Helmut Strade

We give explicit formulas proving restrictedness of the following Lie (super)algebras: known exceptional simple vectorial Lie (super)algebras in characteristic 3, deformed Lie (super)algebras with indecomposable Cartan matrix, and (under…

Representation Theory · Mathematics 2024-09-17 Sofiane Bouarroudj , Andrey Krutov , Alexei Lebedev , Dimitry Leites , Irina Shchepochkina

We classify one-dimensional restricted central extensions of the modular Witt Lie algebra in characteristic $p>3$.

Representation Theory · Mathematics 2015-06-16 Tyler J. Evans , Alice Fialowski , Michael Penkava

We present a list of all isomorphism classes of nonsolvable Lie algebras of dimension less than 7 over a finite field.

Rings and Algebras · Mathematics 2007-05-23 Helmut Strade

Let L be a restricted Lie algebra over a field of positive characteristic. We survey the known results about the Lie structure of the restricted enveloping algebra u(L) of L. Related results about the structure of the group of units and the…

Rings and Algebras · Mathematics 2015-11-02 Salvatore Siciliano , Hamid Usefi

Orthogonal Lie algebras in dimension 4 are identified as current Lie algebras, thus producing a natural decomposition for them over any field.

Rings and Algebras · Mathematics 2013-06-19 Martin Chaktoura , Fernando Szechtman
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