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In this paper we prove that every irreducible representation of a Leibniz algebra can be obtained from irreducible representations of the semisimple Lie algebra from the Levi decomposition. We also prove that - in general - for (semi)simple…

Representation Theory · Mathematics 2015-02-26 Fialowski Alice , Mihálka Éva Zsuzsanna

Given a Leibniz algebra L with left center Z, we work on C(L,Z,S(Z)), the Z-standard complex of L with coefficients in S(Z). We construct the derived bracket for a fat Leibniz algebra in terms of a certain 3-cocycle and a Poisson algebra…

Rings and Algebras · Mathematics 2016-12-28 Xiongwei Cai , Zhangju Liu

We show that the skew-symmetrized product on every Leibniz algebra E can be realized on a reductive complement to a subalgebra in a Lie algebra. As a consequence, we construct a nonassociative multiplication on E which, when E is a Lie…

Differential Geometry · Mathematics 2007-05-23 Michael K. Kinyon , Alan Weinstein

We introduce a new type of algebra, which is called a Lie-Leibniz algebra. This concept is an abstraction of derived bracket construction. It will be proved that the operad of Lie-Leibniz algebras is Koszul. The strong homotopy version of…

Quantum Algebra · Mathematics 2013-03-15 K. Uchino

We develop a general framework for the construction of various derived brackets. We show that suitably deforming the differential of a graded Leibniz algebra extends the derived bracket construction and leads to the notion of strong…

Quantum Algebra · Mathematics 2010-06-24 K. Uchino

Derivations extend the concept of differentiation from functions to algebraic structures as linear operators satisfying the Leibniz rule. In Lie algebras, derivations form a Lie algebra via the commutator bracket of linear endomorphisms.…

Rings and Algebras · Mathematics 2025-07-17 Alfonso Di Bartolo , Gianmarco La Rosa

Using the free graded Lie algebras we introduce a natural subcomlex of the Loday's complex of a Leibniz algebra. Our conjecture says, that for free Leibniz algebras, the complex is acyclic.

K-Theory and Homology · Mathematics 2019-04-09 Teimuraz Pirashvili

We construct a cochain map embedding the cohomology complex of any dual Leibniz algebra $B$ into the Lie algebra cochain complex of $\mathfrak{g} \otimes B$, where $\mathfrak{g}$ is a Leibniz algebra. This reduces the study of dual Leibniz…

Rings and Algebras · Mathematics 2025-12-23 Hassan Alhussein

In this paper, first we construct a Lie 2-algebra associated to every Leibniz algebra via the skew-symmetrization. Furthermore, we introduce the notion of the naive representation for a Leibniz algebra in order to realize the abstract…

Representation Theory · Mathematics 2014-08-12 Yunhe Sheng , Zhangju Liu

Derived brackets provide a mechanism for generating algebraic structures from graded Lie superalgebras, with applications in Poisson geometry, mathematical physics, and the theory of algebroids. In this paper, we present a complete…

Rings and Algebras · Mathematics 2026-05-28 Luan Figueiredo

We construct some irreducible representations of the Leavitt path algebra of an arbitrary quiver. The constructed representations are associated to certain algebraic branching systems. For a row-finite quiver, we classify algebraic…

Representation Theory · Mathematics 2015-02-10 Xiao-Wu Chen

By using help of algebraic operad theory, Leibniz algebra theory and symplectic-Poisson geometry are connected. We introduce the notion of cohomological vector field defined on nongraded symplectic plane. It will be proved that the…

Quantum Algebra · Mathematics 2014-01-07 K. Uchino

We will introduce the notion of higher derived bracket construction in the category of operads and prove that the higher derived bracket construction of Lie operad is equivalent to the cobar construction of Leibniz operad. The theorem is…

Quantum Algebra · Mathematics 2013-01-01 K. Uchino

We study the notion of the Lie-holomorph of a Leibniz algebra, recently introduced by N. P. Souris as a generalisation of the classical holomorph construction for Lie algebras. We establish a connection between the Lie-holomorph…

Rings and Algebras · Mathematics 2025-12-23 Gianmarco La Rosa , Manuel Mancini

In this paper we describe some Leibniz algebras whose corresponding Lie algebra is four-dimensional Diamond Lie algebra $\mathfrak{D}$ and the ideal generated by the squares of elements (further denoted by $I$) is a right…

Representation Theory · Mathematics 2016-05-03 S. Uguz , I. A. Karimjanov , B. A. Omirov

Leibniz algebras are non skew-symmetric generalization of Lie algebras. In this paper we introduce the notion of anti-Leibniz algebras as a "non commutative version" of mock-Lie algebras. Low dimensional classification of such algebras is…

Rings and Algebras · Mathematics 2024-11-26 Safa Braiek , Taoufik Chtioui , Sami Mabrouk

In this paper we construct a minimal faithful representation of the $(2m+2)$-dimensional complex general Diamond Lie algebra, $\mathfrak{D}_m(\mathbb{C})$, which is isomorphic to a subalgebra of the special linear Lie algebra…

Rings and Algebras · Mathematics 2016-05-31 L. M. Camacho , I. A. Karimjanov , M. Ladra , B. A. Omirov

The Leibniz bracket of an operator on a (graded) algebra is defined and some of its properties are studied. A basic theorem relating the Leibniz bracket of the commutator of two operators to the Leibniz bracket of them, is obtained. Under…

General Relativity and Quantum Cosmology · Physics 2011-07-19 Bartolomé Coll , Joan Josep Ferrando

A general procedure of affinization of linear algebra structures is illustrated by the case of Leibniz algebras. Specifically, the definition of an affine Leibniz bracket, that is, a bi-affine operation on an affine space that at each…

Rings and Algebras · Mathematics 2025-07-01 Tomasz Brzeziński , Krzysztof Radziszewski , Brais Ramos Pérez

Since Leibniz algebras were introduced by Loday as a generalization of Lie algebras, there has been a lot of interest in which results of the latter extend to the former. Cyclic algebras, those generated by one element, are a useful tool…

Rings and Algebras · Mathematics 2014-12-31 Daniel Scofield , S. McKay Sullivan
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