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We introduce post-associative algebra structures and study their relationship to post-Lie algebra structures, Rota--Baxter operators and decompositions of associative algebras and Lie algebras. We show several results on the existence of…

Rings and Algebras · Mathematics 2019-06-25 Dietrich Burde , Vsevolod Gubarev

In this paper, we introduce a new definition of a hom-Lie bialgebra, which is equivalent to a Manin triple of hom-Lie algebras. We also introduce a notion of an $\mathcal O$-operator and then construct solutions of the classical…

Mathematical Physics · Physics 2013-12-18 Yunhe Sheng , Chengming Bai

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

We demonstrate how a simple linear-algebraic technique used earlier to compute low-degree cohomology of current Lie algebras, can be utilized to compute other kinds of structures on such Lie algebras, and discuss further generalizations,…

Rings and Algebras · Mathematics 2014-08-14 Pasha Zusmanovich

Some results on (pre-)Jacobi-Jordan algebras and their representations are proved. Moreover, the notion of matched pairs and relative Rota-Baxter operators on these algebras are introduced and studied. The cohomology theory of relative…

Rings and Algebras · Mathematics 2025-08-06 Nabil Oro Djibril , Sylvain Attan

The purpose of this paper is to study pseudo-Euclidean and symplectic Hom-alternative superalgebras and discuss some of their proprieties and provide construction procedures. We also introduce the notion of Rota-Baxter operators of…

Rings and Algebras · Mathematics 2023-07-17 S. Mabrouk , O. Ncib , S. Sendi , S. Silvestrov

In this paper, we introduce the notion of a (regular) Hom-Lie group. We associate a Hom-Lie algebra to a Hom-Lie group and show that every regular Hom-Lie algebra is integrable. Then, we define a Hom-exponential (Hexp) map from the Hom-Lie…

Differential Geometry · Mathematics 2021-02-09 Jun Jiang , Satyendra Kumar Mishra , Yunhe Sheng

The aim of this paper is to introduce the notions of Hom Gel'fand-Dorfman bialgebra and Hom-Lie conformal algebra. In this paper, we give four constructions of Hom Gel'fand-Dorfman bialgebras. Also, we provide a general construction of…

Representation Theory · Mathematics 2014-04-18 Lamei Yuan

Rota-Baxter systems were introduced by Brzezi\'{n}ski as a generalization of Rota-Baxter operators that are related to dendriform structures, associative Yang-Baxter pairs and covariant bialgebras. In this paper, we define Rota-Baxter…

Rings and Algebras · Mathematics 2020-07-14 Apurba Das

The purpose of this paper is to study representations of simple multiplicative Hom-Lie algebras. First, we provide a new proof using Killing form for characterization theorem of simple Hom-Lie algebras given by Chen and Han, then discuss…

Representation Theory · Mathematics 2019-03-22 Boujemaa Agrebaoui , Karima Benali , Abdenacer Makhlouf

The purpose of this paper is to study the relationships between a BiHom-Lie superalgebras and its induced 3-BiHom-Lie superalgebras. We introduce the notion of $(\alpha^s,\beta^r)$-derivation, $(\alpha^s,\beta^r)$-quasiderivation and…

Rings and Algebras · Mathematics 2020-03-18 Abdelkader Ben Hassine , Sami Mabrouk , Othmen Ncib

Complete hom-Lie superalgebra are considered and some equivalent conditions for a hom-Lie superalgebra to be a complete hom-Lie superalgebra are established. In particular, the relation between decomposition and completeness for a hom-Lie…

Rings and Algebras · Mathematics 2021-10-11 M. R. Farhangdoost , A. R. Attari Polsangi , S. Silvestrov

Weighted Rota-Baxter operators on associative algebras are closely related to modified Yang-Baxter equations, splitting of algebras, weighted infinitesimal bialgebras, and play an important role in mathematical physics. For any $\lambda \in…

Representation Theory · Mathematics 2022-09-21 Apurba Das

This paper begins by introducing the concept of a quasi-hom-Lie algebra which is a natural generalization of hom-Lie algebras introduced in a previous paper by the authors. Quasi-hom-Lie algebras include also as special cases (color) Lie…

Rings and Algebras · Mathematics 2007-05-23 Daniel Larsson , Sergei Silvestrov

We studied both the double cross product and the bicrossproduct constructions for the Hom-Hopf algebras of general $(\alpha,\beta)$-type. This allows us to consider the universal enveloping Hom-Hopf algebras of Hom-Lie algebras, which are…

Rings and Algebras · Mathematics 2019-10-18 S. Halici , A. Karataş , S. Sütlü

We study dualities between Lie algebras and Lie coalgebras, and their respective (co)representations. To allow a study of dualities in an infinite-dimensional setting, we introduce the notions of Lie monads and Lie comonads, as special…

Rings and Algebras · Mathematics 2013-12-13 Isar Goyvaerts , Joost Vercruysse

The purpose of this paper is to discuss the universal algebra theory of hom-algebras. This kind of algebra involves a linear map which twists the usual identities. We focus on hom-associative algebras and hom-Lie algebras for which we…

Rings and Algebras · Mathematics 2014-04-10 Lars Hellström , Abdenacer Makhlouf , Sergei D. Silvestrov

The cohomology of Lie (super)algebras has many important applications in mathematics and physics. It carries most fundamental ("topological") information about algebra under consideration. At present, because of the need for very tedious…

Numerical Analysis · Mathematics 2025-10-20 Vladimir V. Kornyak

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

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