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We construct the Lie algebra of an n-Lie algebra and we also define the notion of cohomology of an n-Lie algebra.

Differential Geometry · Mathematics 2013-10-11 Basile Guy Richard Bossoto , Eugène Okassa , Mathias Omporo

Hom-Lie algebras defined on central extensions of a given quadratic Lie algebra that in turn admit an invariant metric, are studied. It is shown how some of these algebras are naturally equipped with other symmetric, bilinear forms that…

Rings and Algebras · Mathematics 2021-10-13 R. García-Delgado , G. Salgado , O. A. Sánchez-Valenzuela

We survey decades of research identifying the (co)homology of configuration spaces with Lie algebra (co)homology. The different routes to this one proto-theorem offer genuinely different explanations of its truth, and we attempt to convey…

Algebraic Topology · Mathematics 2025-08-21 Ben Knudsen

We introduce hom-Lie-Rinehart algebras as an algebraic analogue of hom-Lie algebroids, and systematically describe a cohomology complex by considering coefficient modules. We define the notion of extensions for hom-Lie-Rinehart algebras. In…

K-Theory and Homology · Mathematics 2018-01-03 Ashis Mandal , Satyendra Kumar Mishra

The main feature of color Hom-algebras is that the identities defining the structures are twisted by even linear maps. The purpose of this paper is to introduce and give some constructions of admissible Hom-Novikov-Poisson color…

Rings and Algebras · Mathematics 2022-05-12 Ismail Laraiedh , Sergei Silvestrov

In this paper, we introduce the notion of generalized representation of a $3$-Lie algebra, by which we obtain a generalized semidirect product $3$-Lie algebra. Moreover, we develop the corresponding cohomology theory. Various examples of…

Representation Theory · Mathematics 2017-11-28 Jiefeng Liu , Abdenacer Makhlouf , Yunhe Sheng

The aim of this paper is to generalise the construction of $3$-Bihom-Lie superalgebras and we provide some properties can be lifted to its $T^{\ast}$-extensions such as nilpotency, solvability and decomposition. We study the…

Rings and Algebras · Mathematics 2020-04-21 Ismail Laraiedh

In this article we describe the projective representation of Plesken Lie algebras and equivalent central extensions of these algebras. Further it is also shown that there exists a bijective correspondence between second cohomology group,…

Representation Theory · Mathematics 2022-11-17 P G Romeo , Arjun S N

This paper investigates the fundamental connections between linear super-commuting maps, super-biderivations, and centroids in Hom-Lie superalgebras under certain conditions. Our work generalizes the results of Bresar and Zhao on Lie…

Rings and Algebras · Mathematics 2024-11-05 Ashutosh Pandey

We study relations between finite-dimensional representations of color Lie algebras and their cocycle twists. Main tools are the universal enveloping algebras and their FCR-properties (finite-dimensional representations are completely…

Representation Theory · Mathematics 2007-05-23 Xiao-Wu Chen , Sergei D. Silvestrov , Fred van Oystaeyen

We introduce the new concept of braided Hom-Lie bialgebras which is a generalization of Sommerh\"{a}user-Majid's braided Lie bialgebras and Yau's Hom-Lie bialgebras. Using this concept we give the unified product construction for Hom-Lie…

Quantum Algebra · Mathematics 2022-03-15 Tao Zhang

After endowing with a 3-Lie-Rinehart structure on Hom 3-Lie algebras, we obtain a class of special Hom 3-Lie algebras, which have close relationships with representations of commutative associative algebras. We provide a special class of…

Rings and Algebras · Mathematics 2020-01-24 Ruipu Bai , Xiaojuan Lie , Yingli Wu

In this paper we study the low dimensional cohomology groups of Hom-Lie algebras and their relation with derivations, abelian extensions and crossed modules. On one hand, we introduce the notion of $\alpha$-abelian extensions and we obtain…

Rings and Algebras · Mathematics 2018-02-13 José-Manuel Casas , Xabier García-Martínez

We present the results of computation of cohomology for some Lie (super)algebras of Hamiltonian vector fields and related algebras. At present, the full cohomology rings for these algebras are not known even for the low dimensional vector…

Numerical Analysis · Mathematics 2007-05-23 Vladimir V. Kornyak

A cohomology theory of root systems emerges naturally in the context of Automorphic Lie Algebras, where it helps formulating some structure theory questions. In particular, one can find concrete models for an Automorphic Lie Algebra by…

Rings and Algebras · Mathematics 2020-02-24 Vincent Knibbeler , Sara Lombardo , Jan A. Sanders

In this paper, we introduce the concepts of representation and dual representation for averaging Leibniz algebras. We also develop a cohomology theory for these algebras. Additionally, we explore the infinitesimal and formal deformation…

Rings and Algebras · Mathematics 2025-12-11 Bouzid Mosbahi , Imed Basdouri , Jean Lerbet

In many previous papers, the authors used an endomorphism of algebra to twist the original algebraic structures in order to produce the corresponding Hom-algebraic structures. In this works, we use these either a bijective linear map,…

Rings and Algebras · Mathematics 2019-12-04 Ibrahima Bakayoko , Silvain Attan

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

We study quantization of a class of inhomogeneous Lie bialgebras which are crossproducts in dual sectors with Abelian invariant parts. This class forms a category stable under dualization and the double operations. The quantization turns…

Quantum Algebra · Mathematics 2007-05-23 P. P. Kulish , A. I. Mudrov

In this paper, we introduced the notion of Hom-Lie antialgebras. The representations and cohomology theory of Hom-Lie antialgebras are investigated. We prove that the equivalent classes of abelian extensions of Hom-Lie antialgebras are in…

Rings and Algebras · Mathematics 2021-02-24 Tao Zhang , Heyu Zhang