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In this paper, we investigate nilpotent Lie algebras $ L $ of nilpotency class $3 $ and provide a complete classification of those satisfying $ \dim L^2 = 3 $ and $Z(L) = L^3 \cong A(2). $ Furthermore, we explicitly characterize the…

Group Theory · Mathematics 2025-11-25 Saboura Yousefi , Azam Kaheni , Farangis Johari

The symplectic structures on $3$-Lie algebras and metric symplectic $3$-Lie algebras are studied. For arbitrary $3$-Lie algebra $L$, infinite many metric symplectic $3$-Lie algebras are constructed. It is proved that a metric $3$-Lie…

Representation Theory · Mathematics 2014-08-21 Ruipu Bai , Shuangshuang Chen , Rong Cheng

In this paper we introduce the notion of twisted symplectic reflection algebras and describe the category of representations of such an algebra associated to a non-faithful G-action in terms of those for faithful actions of G.

Representation Theory · Mathematics 2007-05-23 Tatyana Chmutova

Foundations of the theory of vertex algebras are extended to the non-Archimedean setting.

Quantum Algebra · Mathematics 2023-04-20 Victor G. Kac

We classify non-nilpotent complex structures on 6-nilmanifolds and their associated invariant balanced metrics. As an application we find a large family of solutions of the heterotic supersymmetry equations with non-zero flux, non-flat…

Differential Geometry · Mathematics 2012-12-05 Luis Ugarte , Raquel Villacampa

This paper shows that a Poisson algebra is nilpotent if and only if it is both associative and Lie nilpotent and examines various properties of the nilradical and the solvable radical. It introduces a basic Frattini theory for dialgebras…

Rings and Algebras · Mathematics 2025-04-30 David A. Towers

We classify all nonnilpotent, solvable Leibniz algebras with the property that all proper subalgebras are nilpotent. This generalizes the work of Stitzinger and Towers in Lie algebras. We show several examples which illustrate the…

Rings and Algebras · Mathematics 2017-09-06 Lindsey Bosko-Dunbar , Jonathan Dunbar , J. T. Hird , Kristen Stagg Rovira

We give the complete algebraic classification of all complex 4-dimensional nilpotent algebras. The final list has 234 (parametric families of) isomorphism classes of algebras, 66 of which are new in the literature.

Rings and Algebras · Mathematics 2021-11-02 Ivan Kaygorodov , Mykola Khrypchenko , Samuel A. Lopes

The polysymplectic $(n+1)$-form is introduced as an analogue of the symplectic form for the De Donder-Weyl polymomentum Hamiltonian formulation of field theory. The corresponding Poisson brackets on differential forms are constructed. The…

High Energy Physics - Theory · Physics 2008-02-03 I. V. Kanatchikov

Examples of nonformal simply connected symplectic manifolds are constructed.

Symplectic Geometry · Mathematics 2007-05-23 Ivan K. Babenko , Iskander A. Taimanov

We define an n-plectic structure as a commutative and torsionless Lie Rinehart pair, together with a distinguished cocycle from its Chevalley-Eilenberg complex. This 'n-plectic cocycle' gives rise to an extension of the Chevalley-Eilenberg…

Differential Geometry · Mathematics 2014-08-07 Mirco Richter

We prove a folklore result which gives a sequence of necessary and sufficient conditions for a stably symplectic manifold to define a nilpotent element in the symplectic bordism ring.

Algebraic Topology · Mathematics 2014-10-24 Justin Noel

We propose a new definition of so called Hamiltonian forms in n-plectic geometry and show that they have a non-trivial Lie infinity-algebra structure.

Differential Geometry · Mathematics 2012-12-21 Mirco Richter

We describe $\sigma$-matching, interchangeable and, as a consequence, totally compatible products on null-filiform associative algebras.

Rings and Algebras · Mathematics 2026-03-10 Kobiljon Abdurasulov , Jobir Adashev , Feruza Toshtemirova

In the study of NIL-affine actions on nilpotent Lie groups we introduced so called LR-structures on Lie algebras. The aim of this paper is to consider the existence question of LR-structures, and to start a structure theory of LR-algebras.…

Rings and Algebras · Mathematics 2008-01-09 Dietrich Burde , Karel Dekimpe , Sandra Deschamps

We consider the conjugation-action of the Borel subgroup of the symplectic or the orthogonal group on the variety of nilpotent complex elements of nilpotency degree $2$ in its Lie algebra. We translate the setup to a…

Representation Theory · Mathematics 2019-02-11 Magdalena Boos , Giovanni Cerulli Irelli , Francesco Esposito

In this paper, we study simplicial commutative algebras with finite Andr\'e-Quillen homology. Here we restrict our focus to simplicial algebras having characteristic 2. Our aim is to find a generalization of results established by the…

Commutative Algebra · Mathematics 2007-05-23 James M Turner

We propose the study and description of the structure of complex Lie algebras with nilradical a nilpotent Lie algebra of type 2 by using sl2(C)-representation theory. Our results will be applied to review the classification given in [1] (J.…

Rings and Algebras · Mathematics 2016-11-26 Pilar Benito , Daniel de-la-Concepción

Lie antialgebras is a class of supercommutative algebras recently appeared in symplectic geometry. We define the notion of enveloping algebra of a Lie antialgebra and study its properties. We show that every Lie antialgebra is canonically…

Commutative Algebra · Mathematics 2010-07-26 Séverine Leidwanger , Sophie Morier-Genoud

Every non-solvable and non-semisimple quadratic Lie algebra can be obtained as a double extension of a solvable quadratic Lie algebra. Thanks to a partial classification of nilpotent Lie algebras and this result, we can design different…

Rings and Algebras · Mathematics 2024-01-26 Pilar Benito , Javier Rández-Ibáñez , Jorge Roldán-López