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In this paper, first using the higher derived brackets, we give the controlling algebra of relative difference Lie algebras, which are also called crossed homomorphisms or differential Lie algebras of weight 1 when the action is the adjoint…

Rings and Algebras · Mathematics 2022-10-24 Jun Jiang , Yunhe Sheng

The authors define a Category $\mathcal{O}$ for any quasi-reductive Lie superalgebra $\mathfrak{g}$ with respect to a triangular decomposition. This much needed approach unifies many important constructions in the existing literature in a…

Representation Theory · Mathematics 2025-11-07 Chun-Ju Lai , Daniel K. Nakano , Arik Wilbert

In this paper, we study Hom-Lie superalgebras of Heisenberg type. For 3-dimensional Heisenberg Hom-Lie superalgebras, we describe their Hom-Lie super structures, compute the cohomology spaces and characterize their infinitesimal…

Rings and Algebras · Mathematics 2021-02-05 Junxia Zhu , Liangyun Chen

Hom-Bol algebras are defined as a twisted generalization of (left) Bol algebras. Hom-Bol algebras generalize multiplicative Hom-Lie triple systems in the same way as Bol algebras generalize Lie triple systems. The notion of an $n$th derived…

Rings and Algebras · Mathematics 2012-11-30 Sylvain Attan , A. Nourou Issa

We introduce the concept of Hom-associative algebra structures in Loday-Pirashvili category.The cohomology theory of Hom-associative algebras in this category is studied.Some applications on deformation and abelian extension theory are…

Rings and Algebras · Mathematics 2024-05-28 Tao Zhang

Given a Lie algebroid with a representation, we construct a graded Lie algebra whose Maurer-Cartan elements characterize relative Rota-Baxter operators on Lie algebroids. We give the cohomology of relative Rota-Baxter operators and study…

Rings and Algebras · Mathematics 2022-07-14 Meijun Liu , Jiefeng Liu , Yunhe Sheng

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 propose of this paper is to extend generalized representations of 3-Lie algebras to Hom-type algebras. We introduce the concept of generalized representation of multiplicative 3-Hom-Lie algebras, develop the corresponding cohomology…

Representation Theory · Mathematics 2019-05-31 Sami Mabrouk , Abdenacer Makhlouf , Sonia Massoud

Classes of $G$-Hom-associative algebras are constructed as deformations of $G$-associative algebras along algebra endomorphisms. As special cases, we obtain Hom-associative and Hom-Lie algebras as deformations of associative and Lie…

Rings and Algebras · Mathematics 2009-08-22 Donald Yau

In this paper, we first introduce the notion of a (relative) averaging operator of any nonzero weight $\lambda$. We show that such operators are intimately related to triassociative algebras introduced by Loday and Ronco. Next, we construct…

Rings and Algebras · Mathematics 2023-04-26 Apurba Das , Ramkrishna Mandal

The purpose of this paper is to provide a cohomology of $n$-Hom-Leibniz algebras. Moreover, we study some higher operations on cohomology spaces and deformations.

Rings and Algebras · Mathematics 2018-03-20 Abdenacer Makhlouf , Anita Naolekar

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

In this paper, we consider a 3-Lie algebra with a derivation (called a 3-LieDer pair). We define cohomology for a 3-LieDer pair with coefficients in a representation. We use this cohomology to study deformations and abelian extensions of…

Rings and Algebras · Mathematics 2021-10-11 Senrong Xu , Jiefeng Liu

The aim of this paper is to extend to Hom-algebra structures the theory of formal deformations of algebras which was introduced by Gerstenhaber for associative algebras and extended to Lie algebras by Nijenhuis-Richardson. We deal with…

Rings and Algebras · Mathematics 2007-12-20 Abdenacer Makhlouf , Sergei Silvestrov

First we use a new approach to give a graded Lie algebra whose Maurer-Cartan elements characterize pre-Lie algebra structures. Then using this graded Lie bracket we define the notion of a Nijenhuis operator on a pre-Lie algebra which…

Rings and Algebras · Mathematics 2020-02-28 Qi Wang , Chengming Bai , Jiefeng Liu , Yunhe Sheng

Barr--Beck cohomology, put into the framework of model categories by Quillen, provides a cohomology theory for any algebraic structure, for example Andr\'e--Quillen cohomology of commutative rings. Quillen cohomology has been studied…

Rings and Algebras · Mathematics 2025-01-13 Ioannis Dokas , Martin Frankland , Sacha Ikonicoff

Hom-Lie algebras are generalizations of Lie algebras that arise naturally in the study of nonassociative algebraic structures. In this paper, the concepts of solvable and nilpotent Hom-Lie algebras studied further. In the theory of groups,…

Rings and Algebras · Mathematics 2023-05-02 Shadi Shaqaqha , Nadeen Kdaisat

The existing constructions of derived Lie and sh-Lie brackets involve multilinear maps that are used to define higher order differential operators. In this paper, we prove the equivalence of three different definitions of higher order…

Quantum Algebra · Mathematics 2007-05-23 Fusun Akman , Lucian M. Ionescu

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

In this article, we introduce a new cohomology theory associated to a Lie 2-algebras. This cohomology theory is shown to extend the classical cohomology theory of Lie algebras; in particular, we show that the second cohomology group…

Category Theory · Mathematics 2022-08-25 Camilo Angulo