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The main purpose of this paper is to study restricted formal deformations of restricted Lie-Rinehart algebras in positive characteristic $p$. For $p>2$, we discuss the deformation theory and show that deformations are controlled by the…

Rings and Algebras · Mathematics 2023-05-29 Quentin Ehret , Abdenacer Makhlouf

The main purpose of this paper is to study cohomology and develop a deformation theory of restricted Lie algebras in positive characteristic $p>0$. In the case $p\geq3$, it is shown that the deformations of restricted Lie algebras are…

Representation Theory · Mathematics 2025-04-09 Quentin Ehret , Abdenacer Makhlouf

In this paper, we study restricted Poisson algebras in characteristic 2 and their relationship with restricted Lie-Rinehart algebras, for which we develop a cohomology theory and investigate abelian extensions. We also construct a full…

Representation Theory · Mathematics 2025-04-22 Sofiane Bouarroudj , Quentin Ehret , Jiefeng Liu

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

The purpose of this paper is to study Lie-Rinehart superalgebras over characteristic zero fields, which are consisting of a supercommutative associative superalgebra $A$ and a Lie superalgebra $L$ that are compatible in a certain way. We…

Representation Theory · Mathematics 2023-06-22 Quentin Ehret , Abdenacer Makhlouf

The main goal of this paper is to develop the structure theory of Hom-Lie superalgebras in characteristic 2. We discuss their representations, semidirect product, $\alpha^k$-derivations and provide a classification in low dimension. We…

Representation Theory · Mathematics 2022-10-18 Sofiane Bouarroudj , Abdenacer Makhlouf

We introduce the concept of 3-Lie-Rinehart superalgebra and systematically describe a cohomology complex by considering coefficient modules. Furthermore, we study the relationships between a Lie-Rinehart superalgebra and its induced…

Rings and Algebras · Mathematics 2020-10-06 Abdelkader Ben Hassine , Taoufik Chtioui , Sami Mabrouk , Sergei Silvestrov

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

We study cohomology of morphisms of Lie-Yamaguti algebras. As an application, we establish that this cohomology `controls' the formal deformations. Additionally, we demonstrate its connection to the abelian extension of morphisms of…

Rings and Algebras · Mathematics 2023-12-12 Bibhash Mondal , Ripan Saha

In this article, we introduce a deformation cohomology of Leibniz superalgebras. Also, we introduce formal deformation theory of Leibniz superalgebras. Using deformation cohomology we study the formal deformation theory of Leibniz…

Rings and Algebras · Mathematics 2021-01-20 RB Yadav

In this paper, we define the cohomology of a modified Rota-Baxter Leibniz algebra with coefficients in a suitable representation. As applications of our cohomology, we study formal one-parameter deformations and abelian extensions of…

Rings and Algebras · Mathematics 2022-11-21 Yizheng Li , Dingguo Wang

The deformation theory of Lie-Yamaguti algebras is developed by choosing a suitable cohomology. The relationship between the deformation and the obstruction of Lie-Yamaguti algebras is obtained.

Representation Theory · Mathematics 2015-05-26 Jie Lin , Liangyun Chen , Yao Ma

In this paper, we consider deformations of Lie 2-algebras via the cohomology theory. We prove that a 1-parameter infinitesimal deformation of a Lie 2-algebra $\g$ corresponds to a 2-cocycle of $\g$ with the coefficients in the adjoint…

Mathematical Physics · Physics 2015-06-16 Zhangju Liu , Yunhe Sheng , Tao Zhang

The purpose of this paper is to study deformation theory of Hom-associative algebra morphisms and Hom-Lie algebra morphisms. We introduce a suitable cohomology and discuss Infinitesimal deformations, equivalent deformations and…

Rings and Algebras · Mathematics 2017-10-23 Anja Arfa , Nizar Ben Fraj , Abdenacer Makhlouf

The purpose of this paper is to introduce an algebraic cohomology and formal deformation theory of left alternative algebras. Connections to some other algebraic structures are given also.

Rings and Algebras · Mathematics 2016-10-17 Mohamed Elhamdadi , Abdenacer Makhlouf

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

In this paper, we define a new cohomology theory for multiplicative Hom-pre-Lie algebras which controls deformations of Hom-pre-Lie algebra structure. This new cohomology is a natural one by considering the structure map. We develop…

Rings and Algebras · Mathematics 2023-08-01 Shuangjian Guo , Ripan Saha

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

A cohomology theory of weighted Rota-Baxter $3$-Lie algebras is introduced. Formal deformations, abelian extensions, skeletal weighted Rota-Baxter $3$-Lie 2-algebras and crossed modules of weighted Rota-Baxter 3-Lie algebras are interpreted…

K-Theory and Homology · Mathematics 2022-11-23 Shuangjian Guo , Yufei Qin , Kai Wang , Guodong Zhou

In this paper, we introduce cohomology of n-Hom-Liebniz algebra morphisms and formal deformation theory of n-Hom-Liebniz algebra morphisms .

Rings and Algebras · Mathematics 2022-10-11 R. B. Yadav
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