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The study of $n$-Lie algebras which are natural generalization of Lie algebras is motivated by Nambu Mechanics and recent developments in String Theory and M-branes. The purpose of this paper is to define cohomology complexes and study…

Rings and Algebras · Mathematics 2018-08-01 A. Arfa , N. Ben Fraj , A. Makhlouf

We introduce a new cohomology theory related to deformations of Lie algebra morphisms. This notion involves simultaneous deformations of two Lie algebras and a homomorphism between them.

Quantum Algebra · Mathematics 2007-05-23 Yael Fregier

In this paper, we introduce the representation theory of $\delta$-Hom-Jordan Lie conformal superalgebras and discuss the cases of adjoint representations. Furthermore, we develop the cohomology theory of Hom-Lie conformal superalgebras and…

Rings and Algebras · Mathematics 2018-12-21 Shuangjian Guo , Shengxiang Wang

The purpose of this paper is to define the representation and the cohomology of Hom-Lie superalgebras. Moreover we study Central extensions and provide as application the computations of the derivations and second cohomology group of…

Rings and Algebras · Mathematics 2012-04-30 Faouzi Ammar , Abdenacer Makhlouf , Nejib Saadoui

Aim of this paper is to define a new type of cohomology for multiplicative Hom-Leibniz algebras which controls deformations of Hom-Leibniz algebra structure. The cohomology and the associated deformation theory for Hom-Leibniz algebras as…

Rings and Algebras · Mathematics 2020-11-23 Goutam Mukherjee , Ripan Saha

We study formal deformations of hom-Lie-Rinehart algebras. The associated deformation cohomology that controls deformations is constructed using multiderivations of hom-Lie-Rinehart algebras.

Rings and Algebras · Mathematics 2020-07-21 Satyendra Kumar Mishra , Ashis Mandal

In this paper, we first introduce associative-Yamaguti algebras as the associative analogue of Lie-Yamaguti algebras. Associative algebras, reductive associative algebras and associative triple systems of the first kind form subclasses of…

Rings and Algebras · Mathematics 2025-09-05 Apurba Das

In this paper, first we give the notion of a representation of a relative Rota-Baxter Lie algebra and introduce the cohomologies of a relative Rota-Baxter Lie algebra with coefficients in a representation. Then we classify abelian…

Representation Theory · Mathematics 2022-04-08 Jun Jiang , Yunhe Sheng

In this review article, first we give the concrete formulas of representations and cohomologies of associative algebras, Lie algebras, pre-Lie algebras, Leibniz algebras and 3-Lie algebras and some of their strong homotopy analogues. Then…

Rings and Algebras · Mathematics 2021-01-25 Ai Guan , Andrey Lazarev , Yunhe Sheng , Rong Tang

The purpose of this paper is to extend the cohomology and conformal derivation theories of the classical Lie conformal algebras to Lie conformal superalgebras. Firstly, we construct the semidirect product of a Lie conformal superalgebra and…

Rings and Algebras · Mathematics 2017-11-23 Jun Zhao , Liangyun Chen , Lamei Yuan

Representations of Hom-Jacobi-Jordan algebras are studied. In particular, adjoint representations and trivial representations are studied in detail. Derivations and central extensions of Hom-Jacobi-Jordan algebras are also discussed as an…

Rings and Algebras · Mathematics 2023-08-09 Jules Anitheou , Sylvain Attan , Kinvi Kangni

The goal of the present paper is to investigate non-abelian extensions of Lie-Yamaguti algebras and explore extensibility of a pair of automorphisms about a non-abelian extension of Lie-Yamaguti algebras. First, we study non-abelian…

Rings and Algebras · Mathematics 2024-02-22 Qinxiu Sun , Zhen Li

In this paper we study cohomology and deformations of Jacobi-Jordan algebras. We develop their formal deformation theory. In particular, we introduce a method to construct a versal deformation for a given Jacobi-Jordan algebra, which can…

Commutative Algebra · Mathematics 2022-02-08 Yong Yang

The purpose of the present paper is to investigate cohomologies and deformations of weighted Rota-Baxter Lie algebras as well as weighted Rota-Baxter associative algebras with derivations. First we introduce a notion of weighted Rota-Baxter…

Rings and Algebras · Mathematics 2024-04-16 Basdouri Imed , Sadraoui Mohamed Amin , Shuangjian Guo

We introduce the notion of 3-Hom-Lie-Rinehart algebra and systematically describe a cohomology complex by considering coefficient modules. Furthermore, we consider extensions of a 3-Hom-Lie-Rinehart algebra and characterize the first…

Rings and Algebras · Mathematics 2019-11-26 Shuangjian Guo , Xiaohui Zhang , Shengxiang Wang

The purpose of the present paper is to study representations and cohomologies of differential 3-Lie algebras with any weight. We introduce the representation of a differential 3-Lie algebra. Moreover,we develop cohomology theory of a…

Rings and Algebras · Mathematics 2022-04-19 Qinxiu Sun , Shan Chen

The interplay between derivations and algebraic structures has been a subject of significant interest and exploration. Inspired by Yau's twist and the Leibniz rule, we investigate the formal deformation of twisted Lie algebras by invertible…

Rings and Algebras · Mathematics 2024-06-21 I. Basdouri , E. Peyghan , M. A. Sadraoui , R. Saha

This paper primarily deals with the study of G-derivations associated with Lie-Yamaguti algebras. Taking G as an automorphism group, the concept of G-derivations, which is a derivation under both the bilinear and trilinear operations is…

Rings and Algebras · Mathematics 2024-04-02 Aroonima Sahoo , Tofan Kumar Khuntia , Kishor Chandra Pati

In this paper we study a cohomology theory of compatible Leibniz algebra. We construct a graded Lie algebra whose Maurer-Cartan elements characterize the structure of compatible Leibniz algebras. Using this, we study cohomology,…

Rings and Algebras · Mathematics 2023-11-03 RB Yadav , Rinkila Bhutia , Namita Behera

In this paper, we give a purely cohomological interpretation of the extension problem for associative algebras; that is the problem of extending an associative algebra by another associative algebra. We then give a similar interpretation of…

Rings and Algebras · Mathematics 2009-08-26 Alice Fialowski , Michael Penkava