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We determine the universal central extension of the Lie algebra of hamiltonian vector fields, thereby classifying its central extensions. Furthermore, we classify the central extensions of the Lie algebra of symplectic vector fields, of the…

Symplectic Geometry · Mathematics 2016-12-21 Bas Janssens , Cornelia Vizman

We prove that a transposed Poisson algebra is simple if and only if its associated Lie bracket is simple. Consequently, any simple finite-dimensional transposed Poisson algebra over an algebraically closed field of characteristic zero is…

Rings and Algebras · Mathematics 2023-05-30 Amir Fernández Ouaridi

After a brief summary of the main properties of Poisson manifolds and Lie algebroids in general, we survey recent work on the modular classes of Poisson and twisted Poisson manifolds, of Lie algebroids with a Poisson or twisted Poisson…

Symplectic Geometry · Mathematics 2012-12-05 Yvette Kosmann-Schwarzbach

Lie algebras are an important class of algebras which arise throughout mathematics and physics. We report on the formalisation of Lie algebras in Lean's Mathlib library. Although basic knowledge of Lie theory will benefit the reader, none…

Logic in Computer Science · Computer Science 2021-12-10 Oliver Nash

We introduce the notion of a conformal pseudo-subriemannian fundamental graded Lie algebra of semisimple type. Moreover we give a classification of conformal pseudo-subriemannian fundamental graded Lie algebras of semisimple type and their…

Differential Geometry · Mathematics 2018-04-27 Tomoaki Yatsui

We give a complete classification of Airy structures for finite-dimensional simple Lie algebras over $\mathbb C$, and to some extent also over $\mathbb R$, up to isomorphisms and gauge transformations. The result is that the only algebras…

Mathematical Physics · Physics 2022-09-02 L. Hadasz , B. Ruba

We provide the polynomial identities of algebras that are both generalized Poisson algebras and transposed Poisson algebras. We establish defining identities via single operation for generalized Poisson algebras and prove that Ito's theorem…

Rings and Algebras · Mathematics 2025-01-31 Askar Dzhumadil'daev , Nurlan Ismailov , Farukh Mashurov

The paper aims to investigate the classification problem of low dimensional complex none Lie filiform Leibniz algebras. There are two sources to get classification of filiform Leibniz algebras. The first of them is the naturally graded none…

Rings and Algebras · Mathematics 2007-10-02 I. S. Rakhimov , S. K. Said Husain

This paper is devoted to investigating the structure theory of a class of not-finitely graded Lie superalgebras related to generalized super-Virasoro algebras. In particular, we completely determine the derivation algebras, the automorphism…

Rings and Algebras · Mathematics 2016-07-19 Juanjuan Li , Guangzhe Fan

We illustrate some simple ideas that can be used for obtaining a classification of small-dimensional solvable Lie algebras.Using these we obtain the classification of 3 and 4 dimensional solvable Lie algebras (over fields of any…

Rings and Algebras · Mathematics 2007-05-23 W. A. de Graaf

In this paper we give a complete classification of cyclically graded semisimple Lie algebras that afford cuspidal character sheaves and determine the support of the cuspidal character sheaves. This constitutes a major step towards the…

Representation Theory · Mathematics 2025-12-24 Wille Liu , Kari Vilonen , Ting Xue

We describe two types of Poisson pencils generated by a linear bracket and a quadratic one arising from a classical R-matrix. A quantization scheme is discussed for each. The quantum algebras are represented as the enveloping algebras of…

q-alg · Mathematics 2016-09-08 D. Gurevich , V. Rubtsov

The Leibniz algebras appear as a generalization of the Lie algebras \cite{loday}. The classification of naturally graded $p$-filiform Lie algebras is known \cite{C-G-JM}, \cite{J.Lie.Theory}, \cite{AJM}, \cite{Ve}. In this work we deal with…

Rings and Algebras · Mathematics 2016-08-16 L. M. Camacho , J. R. Gómez , A. J. González , B. A. Omirov

We construct a method to obtain the algebraic classification of Poisson algebras defined on a commutative associative algebra, and we apply it to obtain the classification of the $3$-dimensional Poisson algebras. In addition, we study the…

Rings and Algebras · Mathematics 2022-09-20 Hani Abdelwahab , Amir Fernández Ouaridi , Cándido Martín González

We classify the centers of the quantized Weyl algebras that are PI and derive explicit formulas for the discriminants of these algebras over a general class of polynomial central subalgebras. Two different approaches to these formulas are…

Rings and Algebras · Mathematics 2016-07-15 Jesse Levitt , Milen Yakimov

In this paper we classify all four dimensional real Lie bialgebras of symplectic type. The classical r- matrices for these Lie bialgebras and Poisson structures on all of the related four dimensional Poisson-Lie groups are also obtained.…

Mathematical Physics · Physics 2024-09-11 J. Abedi-Fardad , A. Rezaei-Aghdam , Gh. Haghighatdoost

We introduce the notion of universal odd generalized Poisson superalgebra associated to an associative algebra A, by generalizing a construction made in [5]. By making use of this notion we give a complete classification of simple linearly…

Quantum Algebra · Mathematics 2016-05-25 Nicoletta Cantarini , Victor G. Kac

We present an algebraic framework for the computation of low-degree cohomology of a class of bigraded complexes which arise in Poisson geometry around (pre)symplectic leaves. We also show that this framework can be applied to the more…

Symplectic Geometry · Mathematics 2019-03-06 Andrés Pedroza , Eduardo Velasco-Barreras , Yury Vorobiev

In previous work, the authors introduced the ozone group of an associative algebra as the subgroup of automorphisms which fix the center pointwise. The authors studied PI skew polynomial algebras, using the ozone group to understand their…

Rings and Algebras · Mathematics 2025-07-10 Kenneth Chan , Jason Gaddis , Robert Won , James J. Zhang

This article will discussing on $\frac{1}{2}$-derivations of quasi-filiform Lie algebras of maximum length. The non-trivial transposed Poisson algebras with the quasi-filiform Lie algebras of maximum length are constructed by using…

Rings and Algebras · Mathematics 2024-08-16 Kobiljon Abdurasulov , Fatanah Deraman , Azamat Saydaliyev , Siti Hasana Sapar
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