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A systematic search for Lie algebra solutions of the type IIB matrix model is performed. Our survey is based on the classification of all Lie algebras for dimensions up to five and of all nilpotent Lie algebras of dimension six. It is shown…

High Energy Physics - Theory · Physics 2015-05-30 Athanasios Chatzistavrakidis

The purpose of this paper is to show how central extensions of (possibly infinite-dimensional) Lie algebras integrate to central extensions of \'etale Lie 2-groups. In finite dimensions, central extensions of Lie algebras integrate to…

Differential Geometry · Mathematics 2015-01-29 Chenchang Zhu , Christoph Wockel

In this article, we introduce mock-Lie superalgebras, we give some definitions, properties, constructions, and we study their representations. Moreover we introduce pseudo-euclidean mock-Lie superalgebras which are mock-Lie superalgebras…

Rings and Algebras · Mathematics 2025-10-16 Tahar Benyoussef , Sami Mabrouk

We study locally conformally balanced metrics on almost abelian Lie algebras, namely solvable Lie algebras admitting an abelian ideal of codimension one, providing characterizations in every dimension. Moreover, we classify six-dimensional…

Differential Geometry · Mathematics 2021-05-14 Fabio Paradiso

In math.DG/0312243 we developed a general classification scheme for metric Lie algebras, i.e. for finite-dimensional Lie algebras equipped with a non-degenerate invariant inner product. Here we determine all nilpotent Lie algebras l with…

Differential Geometry · Mathematics 2014-02-28 Ines Kath

A family of solvable self-dual Lie algebras is presented. There exist a few methods for the construction of non-reductive self-dual Lie algebras: an orthogonal direct product, a double-extension of an Abelian algebra, and a Wigner…

Mathematical Physics · Physics 2009-10-30 Oskar Pelc

In this paper, we discuss the capable and isoclinic properties of the tensor square in the context of multiplicative Lie algebras. We also developed the concept of isoclinic extensions and proved several results for multiplicative Lie…

Group Theory · Mathematics 2024-06-05 Dev Karan Singh , Amit Kumar , Sumit Kumar Upadhyay , Shiv Datt Kumar

In this paper we describe central extensions of some nilpotent Leibniz algebras. Namely, central extensions of the Leibniz algebra with maximal index of nilpotency are classified. Moreover, non-split central extensions of naturally graded…

Rings and Algebras · Mathematics 2016-02-16 J. K. Adashev , L. M. Camacho , B. A. Omirov

An infinite-dimensional Lie Algebra is proposed which includes, in its subalgebras and limits, most Lie Algebras routinely utilized in physics. It relies on the finite oscillator Lie group, and appears applicable to twisted noncommutative…

High Energy Physics - Theory · Physics 2008-11-26 David B Fairlie , Cosmas K Zachos

We study automorphic Lie algebras and their applications to integrable systems. Automorphic Lie algebras are a natural generalisation of celebrated Kac-Moody algebras to the case when the group of automorphisms is not cyclic. They are…

Exactly Solvable and Integrable Systems · Physics 2020-10-23 Rhys T. Bury , Alexander V. Mikhailov

We present a deformation theory approach to the classification of kinematical Lie algebras in 3+1 dimensions and present calculations leading to the classifications of all deformations of the static kinematical Lie algebra and of its…

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

The paper is devoted to the study of pro-solvable Lie algebras whose maximal pro-nilpotent ideal is either $\mathfrak{m}_0$ or $\mathfrak{m}_2$. Namely, we describe such Lie algebras and establish their completeness. Triviality of the…

Rings and Algebras · Mathematics 2020-01-22 K. K. Abdurasulov , B. A. Omirov , G. O. Solijanova

This paper is a contribution to the isomorphism problem for universal enveloping algebras of finite-dimensional Lie algebras. We focus on solvable Lie algebras of small dimensions over fields of arbitrary characteristic. We prove, over an…

Rings and Algebras · Mathematics 2020-02-04 José L. Vilca Rodríguez , Csaba Schneider , Hamid Usefi

For finite dimensional real Lie algebras, we investigate the existence of an inner product having a basis comprised of geodesic elements. We give several existence and non-existence results in certain cases: unimodular solvable Lie algebras…

Differential Geometry · Mathematics 2013-12-10 Grant Cairns , Ana Hinić Galić , Yuri Nikolayevsky , Ioannis Tsartsaflis

This work is devoted to the classification of solvable Leibniz algebras with an abelian nilradical. We consider $k-1$ dimensional extension of $k$-dimensional abelian algebras and classify all $2k-1$-dimensional solvable Leibniz algebras…

Rings and Algebras · Mathematics 2018-08-21 R. K. Gaybullaev , A. Kh. Khudoyberdiyev , K. Pohl

For every non-exceptional affine Lie algebra, we explicitly construct a positive geometric crystal associated with a fundamental representation. We also show that its ultra-discretization is isomorphic to the limit of certain perfect…

Quantum Algebra · Mathematics 2007-05-23 Masaki Kashiwara , Toshiki Nakashima , Masato Okado

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

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

The main objective of this project is to determine all irreducible modules of a given modular Lie algebra. In contrast to ordinary Lie algebras, modular Lie algebras require an additional structure known as the p-mapping. The minimal…

Rings and Algebras · Mathematics 2025-11-05 Eun H. Park

We study irreducible modules for Toroidal Lie-algebras with finite dimensional weight spaces. First note that Toroidal Lie-algebras have infinite dimensional center. In genaral the infinite dimensional center does not act as scalars on an…

Representation Theory · Mathematics 2007-05-23 S. Eswara Rao