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In this paper, by studying the maximal good subspaces, we determine the dual Lie coalgebras of the centerless twisted Heisenberg-Virasoro algebra. Based on this, we construct the dual Lie bialgebras structures of the twisted…

Rings and Algebras · Mathematics 2017-03-10 Guang'ai Song , Yucai Su , Xiaoqing Yue

Structures of dual Lie bialgebras on the one sided Witt algebra, the Witt algebra and the Virasoro algebra are investigated. As a result, we obtain some infinite dimensional Lie algebras.

Quantum Algebra · Mathematics 2013-06-05 Guang'ai Song , Yucai Su

We obtain complete classification of in-equivalent realizations of the Virasoro algebra by Lie vector fields over the three-dimensional field of real numbers. As an application we construct new classes of nonlinear second-order partial…

Exactly Solvable and Integrable Systems · Physics 2013-10-11 Renat Zhdanov , Qing Huang

In this paper we determine all derivations and biderivations of an affine-Virasoro Lie algebra associated with a finite-dimensional complex simple Lie algebra $\mathfrak{g}$. We prove that all the derivations and biderivations of…

Rings and Algebras · Mathematics 2025-08-22 Priyanshu Chakraborty , Yufeng Yao , Kaiming Zhao

We discuss the higher dimensional generalizations of the Virasoro and Affine Kac-Moody Lie algebras. We present an explicit construction for a central extensions of the Lie Algebra $Map (X, \g)$ where $\g$ is a finite-dimensional Lie…

Quantum Algebra · Mathematics 2007-05-23 Maria Golenishcheva-Kutuzova

In this paper we attempt to investigate the super-biderivations of Lie superalgebras. Furthermore, we prove that all super-biderivations on the centerless super-Virasoro algebras are inner super-biderivations. Finally, we study the linear…

Rings and Algebras · Mathematics 2016-05-10 Guangzhe Fan , Xiansheng Dai

We classify all finite growth representations of all infinite rank subalgebras of the Lie conformal algebra gc_1 that contain a Virasoro subalgebra.

Quantum Algebra · Mathematics 2015-06-26 Carina Boyallian , Victor G. Kac , Jose I. Liberati

We study a class of infinite dimensional Lie algebras called generalized Witt algebras (in one variable). These include the classical Witt algebra and the centerless Virasoro algebra as important examples. We show that any such generalized…

Rings and Algebras · Mathematics 2013-05-06 Jonathan Pakianathan , Ki Bong Nam

We formalize in Lean certain calculational proofs about infinite-dimensional Lie algebras. Specifically, we construct the Virasoro algebra as a central extension of the Witt algebra associated with a nontrivial 2-cocycle, and we construct…

Quantum Algebra · Mathematics 2025-10-28 Kalle Kytölä

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 give an explicit classification of the cominuscule parabolic subalgebras of all complex simple finite dimensional Lie superalgebras.

Rings and Algebras · Mathematics 2012-01-04 Dimitar Grantcharov , Milen Yakimov

In this paper, we study the structure theory of a class of not-finitely graded Lie algebras related to generalized Virasoro algebras. In particular,the derivation algebras, the automorphism groups and the second cohomology groups of these…

Quantum Algebra · Mathematics 2014-04-15 Qiufan Chen , Jianzhi Han , Yucai Su

The present paper is another step toward the classification of $\Z\times\Z$-graded Lie algebras: we classify $\Z\times\Z$-graded Lie algebras $A=\oplus_{i,j\in\Z}A_{i,j}$ over a field $F$ of characteristic 0 with dim $A_{i,j}\le1$ for…

Quantum Algebra · Mathematics 2007-05-23 Yucai Su , Jiengfeng Zhang , Kaiming Zhao

In the first part of my talk I will explain a solution to the extension of Lie's problem on classification of "local continuous transformation groups of a finite-dimensional manifold" to the case of supermanifolds. (More precisely, the…

Mathematical Physics · Physics 2007-05-23 Victor G. Kac

We classify up to isomorphism all finite-dimensional Lie algebras that can be realised as Lie subalgebras of the complex Weyl algebra $A_1$. The list we obtain turns out to be discrete and for example, the only non-solvable Lie algebras…

Representation Theory · Mathematics 2007-05-23 M. Rausch de Traubenberg , M. J. Slupinski , A. Tanasa

In two recent papers by the authors, all Lie bialgebra structures on Lie algebras of generalized Witt type are classified. In this paper all Lie bialgebra structures on generalized Virasoro-like algebras are determined. It is proved that…

Algebraic Geometry · Mathematics 2007-05-23 Yuezhu Wu , Guang'ai Song , Yucai Su

We classify open maximal subalgebras of all infinite-dimensional linearly compact simple Lie superalgebras. This is applied to the classification of infinite-dimensional Lie superalgebras of vector fields, acting transitively and…

Quantum Algebra · Mathematics 2014-01-17 Nicoletta Cantarini , Victor Kac

Let $k$ be a field of characteristic not two or three. We classify up to isomorphism all finite-dimensional Lie superalgebras $\mathfrak{g}=\mathfrak{g}_0\oplus \mathfrak{g}_1$ over $k$, where $\mathfrak{g}_0$ is a three-dimensional simple…

Representation Theory · Mathematics 2019-12-19 Philippe Meyer

Generalized Virasoro algebras (defined as the universal central extension of some generalized Witt algebras) and super-Virasoro algebras and modules of the intermediate series are studied and discussed.

Quantum Algebra · Mathematics 2007-05-23 Yucai Su , Kaiming Zhao

In a recent paper by the authors, Lie bialgebras structures of generalized Virasoro-like type were considered. In this paper, the explicit formula of the quantization of generalized Virasoro-like algebras is presented.

Quantum Algebra · Mathematics 2007-05-23 Guang'ai Song , Yucai Su , Yuezhu Wu
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