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We classify finite irreducible conformal modules over a class of infinite Lie conformal algebras ${\frak {B}}(p)$ of Block type, where $p$ is a nonzero complex number. In particular, we obtain that a finite irreducible conformal module over…

Rings and Algebras · Mathematics 2017-12-20 Yucai Su , Chunguang Xia , Lamei Yuan

In the present paper, we introduce a class of infinite Lie conformal superalgebras $\mathcal{S}(p)$, which are closely related to Lie conformal algebras of extended Block type defined in \cite{CHS}. Then all finite non-trivial irreducible…

Representation Theory · Mathematics 2021-05-19 Haibo Chen , Yanyong Hong , Yucai Su

In this paper, we introduce the notion of completely non-trivial module of a Lie conformal algebra. By this notion, we classify all finite irreducible modules of a class of $\mathbb{Z}^+$-graded Lie conformal algebras…

Representation Theory · Mathematics 2022-04-07 Maosen Xu , Yanyong Hong

In this paper, we classify all finite irreducible conformal modules over a class of Lie conformal algebras $\mathcal{W}(b)$ with $b\in\mathbb{C}$ related to the Virasoro conformal algebra. Explicitly, any finite irreducible conformal module…

Rings and Algebras · Mathematics 2017-04-26 Henan Wu , Lamei Yuan

We introduce the $N=2$ Lie conformal superalgebras ${\frak {K}}(p)$ of Block type, and classify their finite irreducible conformal modules for any nonzero parameter $p$. where $p$ is a nonzero complex number. In particular, we show that…

Representation Theory · Mathematics 2020-05-13 Chunguang Xia

Let $p$ be a nonzero complex number. Recently, a class of infinite rank Lie conformal algebras $\mathfrak{B}(p)$ was introduced in [13]. In this paper, we study the structure theory of this class of Lie conformal algebras. Specifically, we…

Rings and Algebras · Mathematics 2019-05-13 Wei Wang , Chunguang Xia , Li Liu

Lie conformal algebras $\mathcal{W}(a,b)$ are the semi-direct sums of Virasoro Lie conformal algebra and its nontrivial conformal modules of rank one. In this paper, we first give a complete classification of all finite nontrivial…

Quantum Algebra · Mathematics 2019-01-25 Lipeng Luo , Yanyong Hong , Zhixiang Wu

Lie conformal algebras $\mathcal{W}(a,b)$ are the semi-direct sums of Virasoro Lie conformal algebra and its nontrivial conformal modules of rank one. In this paper, we give a complete classification of extensions of finite irreducible…

Representation Theory · Mathematics 2019-07-05 Lipeng Luo , Yanyong Hong , Zhixiang Wu

One of the algebraic structures that has emerged recently in the study of the operator product expansions of chiral fields in conformal field theory is that of a Lie conformal algebra [K]. A Lie pseudoalgebra is a generalization of the…

Quantum Algebra · Mathematics 2007-05-23 B. Bakalov , A. D'Andrea , V. G. Kac

In this paper, we study a class of infinite simple Lie conformal algebras associated to a class of generalized Block type Lie algebras. The central extensions, conformal derivations and free intermediate series modules of this class of Lie…

Representation Theory · Mathematics 2019-07-01 Yanyong Hong , Yang Pan , Haibo Chen

In this paper we study a class of modules over infinite-dimensional Lie (super)algebras, which we call conformal modules. In particular we classify and construct explicitly all irreducible conformal modules over the Virasoro and the N=1…

q-alg · Mathematics 2009-09-25 Shun-Jen Cheng , Victor Kac

Block type Lie algebras have been studied by many authors in the latest twenty years. In this paper, we will study a class of more general Block type Lie algebra $\mathcal{B}(p,q)$, which is a class of infinite-dimensional Lie algebra by…

Representation Theory · Mathematics 2016-11-08 Xiaomin Tang , Shasha Zhao

Let $\mathcal{R}$ be a free Lie conformal algebra of rank $2$ with $\mathbb{C}[\partial]$-basis $\{L,I\}$ and relations \begin{eqnarray*} \left[L_{\lambda} L\right]=(\partial+2 \lambda) (L+I),\ \left[L_{\lambda} I\right]=(\partial+\lambda)…

Representation Theory · Mathematics 2019-07-08 Lamei Yuan , Yanjie Wang

In this paper, we give a complete classification of extensions of finite irreducible conformal modules over rank two Lie conformal algebras.

Representation Theory · Mathematics 2025-01-06 Lipeng Luo , Yucai Su , Mengjun Wang

Let $\mathcal{W}(b)$ be a class of free Lie conformal algebras of rank $2$ with $\mathbb{C}[\partial]$-basis ${L,H}$ and relations \begin{eqnarray*} [L_\lambda L]=(\partial+2\lambda)L,\ \ [L_\lambda H]=\big(\partial+(1-b)\lambda\big)H, \ \…

Rings and Algebras · Mathematics 2018-09-14 Kaijing Ling , Lamei Yuan

We classify all continuous degenerate irreducible modules over the exceptional linearly compact Lie superalgebra E(1, 6), and all finite degenerate irreducible modules over the exceptional Lie conformal superalgebra CK6, for which E(1, 6)…

Mathematical Physics · Physics 2015-05-30 Carina Boyallian , Victor G. Kac , José I. Liberati

In this paper we classify extensions between irreducible finite conformal modules over the Virasoro algebra, over the current algebras and over their semidirect sums.

q-alg · Mathematics 2008-02-03 Shun-Jen Cheng , Victor Kac , Minoru Wakimoto

In the present paper, we prove that any finite non-trivial irreducible module over a rank two Lie conformal algebra $\mathcal{H}$ is of rank one. We also describe the actions of $\mathcal{H}$ on its finite irreducible modules explicitly.…

Representation Theory · Mathematics 2021-05-31 Maosen Xu , Yanyong Hong , Zhixiang Wu

Motivated by the structure of certain modules over the loop Virasoro Lie conformal algebra and the Lie structures of Schrodinger-Virasoro algebras, we construct a class of infinite rank Lie conformal algebras CSV (a, b), where a, b are…

Rings and Algebras · Mathematics 2016-09-21 Guangzhe Fan , Yucai Su , Chunguang Xia

Let $L$ be a Lie algebra of Block type over $\C$ with basis $\{L_{\alpha,i}\,|\,\alpha,i\in\Z\}$ and brackets $[L_{\alpha,i},L_{\beta,j}]=(\beta(i+1)-\alpha(j+1))L_{\alpha+\beta,i+j}$. In this paper, we shall construct a formal distribution…

Representation Theory · Mathematics 2012-10-24 Ming Gao Ying Xu Xiaoqing Yue
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