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In this paper, we study equivariant cohomolgy theory of Hom Lie Triple Systems. Using this cohomology, we study 1-parameter formal deformation and central extensions of Hom Lie Triple Systems in the equivariant context.

General Mathematics · Mathematics 2023-11-03 Rinkila Bhutia , RB Yadav , Namita Behera

In this paper, we introduce the concept and representation of modified $\lambda$-differential Lie triple systems. Next, we define the cohomology of modified $\lambda$-differential Lie triple systems with coefficients in a suitable…

Rings and Algebras · Mathematics 2025-03-25 Wen Teng , Fengshan Long , Yu Zhang

In this paper, we study the cohomology theory of Hom-Lie triple systems generalizing the Yamaguti cohomology theory of Lie triple systems. We introduce the central extension theory for Hom-Lie triple systems and show that there is a…

Rings and Algebras · Mathematics 2018-02-23 Yao Ma , Liangyun Chen , Jie Lin

In this article, we introduce equivariant formal deformation theory of associative algebra morphisms. We introduce an equivariant deformation cohomology of associative algebra morphisms and using this we study the equivariant formal…

General Mathematics · Mathematics 2019-05-10 RB Yadav

In this paper, we first discuss cohomology and a one-parameter formal deformation theory of Lie-Yamaguti algebras. Next, we study finite group actions on Lie-Yamaguti algebras and introduce equivariant cohomology for Lie-Yamaguti algebras…

Rings and Algebras · Mathematics 2022-02-17 Shuangjian Guo , Bibhash Mondal , Ripan Saha

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 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

The purpose of this paper is to study cohomology and deformations of $\mathcal{O}$-operators on Lie triple systems. We define a cohomology of an $\mathcal{O}$-operator $T$ as the Lie-Yamaguti cohomology of a certain Lie triple system…

Representation Theory · Mathematics 2022-04-06 T. Chtioui , A. Hajjaji , S. Mabrouk , A. Makhlouf

In this article, we give Maurer-Cartan characterizations of equivariant Lie superalgebra structures. We introduce equivariant cohomology and equivariant formal deformation theory of Lie superalgebras. As an application of equivariant…

General Mathematics · Mathematics 2023-01-04 RB Yadav , Subir Mukhopadhyay

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 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

In this paper, we mainly focus on formal deformation theory of module homomorphisms. We first introduce the cohomology of module homomorphisms and study formal one-parameter deformation. We obtain some properties about obstructions. Then we…

Rings and Algebras · Mathematics 2022-08-23 RB Yadav , Liangyun Chen , Yao Ma , Ying Hou

In this paper, we introduce the first and third cohomology groups on Leibniz triple systems, which can be applied to extension theory and $1$-parameter formal deformation theory. Specifically, we investigate the central extension theory for…

Rings and Algebras · Mathematics 2023-03-21 Xueru Wu , Liangyun Chen , Yao Ma

This is a survey on the equivariant cohomology of Lie group actions on manifolds, from the point of view of de Rham theory. Emphasis is put on the notion of equivariant formality, as well as on applications to ordinary cohomology and to…

Differential Geometry · Mathematics 2019-03-29 Oliver Goertsches , Leopold Zoller

We introduce an equivariant version of Hochschild cohomology as the deformation cohomology to study equivariant deformations of associative algebras equipped with finite group actions.

Rings and Algebras · Mathematics 2018-04-17 Goutam Mukherjee , Raj Bhawan Yadav

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

The cohomology theory of Lie triple systems in the sense of Yamaguti is studied by means of cohomology of Leibniz algebras in the sense of Loday. The notion of Nijenhuis operators for Lie triple system is introduced to describe trivial…

Rings and Algebras · Mathematics 2015-06-18 Tao Zhang

A (pre-)Lie-morphism triple consists of two (pre-)Lie algebras and a (pre-)Lie algebra homomorphism between them. We give chomologies of pre-Lie-morphism triples. As an application, we study the infinitesimal deformations of…

Rings and Algebras · Mathematics 2021-12-22 Yibo Wang , Shilong Zhang , Jiefeng Liu

In this paper, we introduce the cohomology theory of relative Rota-Baxter operators on Leibniz triple systems. We use the cohomological approach to study linear and formal deformations of relative Rota-Baxter operators. In particular,…

Rings and Algebras · Mathematics 2022-10-11 Xueru Wu , Yao Ma , Liangyun Chen

This paper studies one-parameter formal deformations of Hom-Lie-Yamaguti algebras. The first, second and third cohomology groups on Hom-Lie-Yamaguti algebras extending ones on Lie-Yamaguti algebras are provided. It is proved that first and…

Rings and Algebras · Mathematics 2015-06-23 Yao Ma , Liangyun Chen , Jie Lin
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