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Related papers: Whittaker categories for the Virasoro algebra

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In this paper, the conjugate-linear anti-involutions and the unitary irreducible modules of the intermediate series over the twisted Heisenberg-Virasoro algebra are classified respectively. We prove that any unitary irreducible module of…

Rings and Algebras · Mathematics 2012-01-09 Xiufu Zhang , Shaobin Tan

We study irreducible modules for map Heisenberg-Virasoro algebras. In particular, we give a complete classification of irreducible Harish-Chandra modules for map Heisenberg-Virasoro algebras. We will also classify non-weight irreducible…

Representation Theory · Mathematics 2023-11-07 Priyanshu Chakraborty

We prove a localization theorem for affine $W$-algebras in the spirit of Beilinson--Bernstein and Kashiwara--Tanisaki. More precisely, for any non-critical regular weight $\lambda$, we identify $\lambda$-monodromic Whittaker $D$-modules on…

Representation Theory · Mathematics 2020-10-23 Gurbir Dhillon , Sam Raskin

Simple smooth modules over the Virasoro algebra and one of the super-Virasoro algebras, named the Neveu-Schwarz algebra, have been classified. This problem remained unsolved for the other super-Virasoro algebra called the Ramond algebra.In…

Representation Theory · Mathematics 2025-03-18 Yulu Chen , Yufeng Yao , Kaiming Zhao

This paper gives two results on the simple modules for the Brauer algebra over the complex field. First we describe the module structure of the restriction of all simple modules. Second we give a new geometrical interpretation of Ram and…

Representation Theory · Mathematics 2012-06-01 Maud De Visscher , Paul P. Martin

This is the second part in a series of papers in which we introduce and develop a natural, general tensor category theory for suitable module categories for a vertex (operator) algebra. In this paper (Part II), we develop logarithmic formal…

Quantum Algebra · Mathematics 2012-05-14 Yi-Zhi Huang , James Lepowsky , Lin Zhang

Let $\bar{S}_2$ be the Lie algebra of polynomial vector fields on $A_2=\mathbb{C}[t_1,t_2]$ with constant divergence.In this paper, we first show that each block $\Omega^{\widetilde{S}_2}_{\mathbf{a}}$ of the category of $(A_2,…

Representation Theory · Mathematics 2026-04-29 Xiaoyao Zheng , Yufang Zhao , Genqiang Liu

In this paper, we study Virasoro vertex algebras and affine vertex algebras over a general field of characteristic $p>2$. More specifically, we study certain quotients of the universal Virasoro and affine vertex algebras by ideals related…

Quantum Algebra · Mathematics 2017-11-07 Xiangyu Jiao , Haisheng Li , Qiang Mu

In this paper, we classify simple smooth modules over the superconformal current algebra $\frak g$. More precisely, we first classify simple smooth modules over the Heisenberg-Clifford algebra, and then prove that any simple smooth $\frak…

Representation Theory · Mathematics 2023-05-30 Dong Liu , Yufeng Pei , Limeng Xia , Kaiming Zhao

In this paper we classify the irreducible integrable modules for the loop affine-Virasoro algebra $(( \overset{\circ}{\mathfrak{g}} \otimes \mathbb{C}[t, t^{-1}] \oplus \mathbb{C} K) \rtimes \text{Vir}) \otimes A$, where $A$ is a finitely…

Representation Theory · Mathematics 2020-05-19 S Eswara Rao , Sachin S. Sharma , Sudipta Mukherjee

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

Let $\mathcal{G}$ be the planar Galilean conformal algebra and $\widetilde{\mathcal{G}}$ be its universal central extension. Then $\mathcal{G}$ (resp. $\widetilde{\mathcal{G}}$) admits a triangular decomposition:…

Representation Theory · Mathematics 2020-08-19 Qiufan Chen , Yufeng Yao , Hengyun Yang

We study various categories of Whittaker modules over the queer Lie superalgebras $\mathfrak q(n)$. We formulate standard Whittaker modules and reduce the problem of composition factors of these standard Whittaker modules to that of Verma…

Representation Theory · Mathematics 2026-01-01 Chih-Whi Chen , Shun-Jen Cheng

In this paper, we study a certain deformation $D$ of the Virasoro algebra that was introduced and called $q$-Virasoro algebra by Nigro,in the context of vertex algebras. Among the main results, we prove that for any complex number $\ell$,…

Quantum Algebra · Mathematics 2014-01-21 Hongyan Guo , Haisheng Li , Shaobin Tan , Qing Wang

It is proved that an indecomposable Harish-Chandra module over the Virasoro algebra must be (i) a uniformly bounded module, or (ii) a module in Category $\cal O$, or (iii) a module in Category ${\cal O}^-$, or (iv) a module which contains…

Quantum Algebra · Mathematics 2015-06-26 Yucai Su

We describe a logarithmic tensor product theory for certain module categories for a ``conformal vertex algebra.'' In this theory, which is a natural, although intricate, generalization of earlier work of Huang and Lepowsky, we do not…

Quantum Algebra · Mathematics 2008-11-26 Yi-Zhi Huang , James Lepowsky , Lin Zhang

We present the list of irreducible (generalized) highest weight modules over the Virasoro algebra and N=1 super-Virasoro algebras obtained as factor-modules of (generalized) Verma modules. We present also the character formulae of all these…

High Energy Physics - Theory · Physics 2007-09-05 V. K. Dobrev

We give explicit formulae of Whittaker vectors for Virasoro algebra in terms of the Jack symmetric polynomials. Our fundamental tools are the Feigin-Fuchs bosonization and the split expression of the Calogero-Sutherland model given by…

Quantum Algebra · Mathematics 2011-06-28 Shintarou Yanagida

In this paper, a general setting is proposed to define a class of modules over nonsemisimple Lie algebras $\mathfrak{g}$ induced by a nonperfect ideal $\mathfrak{p}$. This class of Lie algebras includes many well-known Lie algebras, and…

Representation Theory · Mathematics 2025-08-11 Cunguang Cheng , Wenting Gao , Shiyuan Liu , Kaiming Zhao , Yueqiang Zhao

We give a classification of the graded simple modules of cyclotomic quiver Hecke algebras of type A using the diagram calculus of the diagrammatic Cherednik algebra. We also obtain a non-trivial lower bound for the dimension of the simple…

Representation Theory · Mathematics 2020-08-06 Alexander Ferdinand Kerschl
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