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Related papers: Universal simple current vertex operators

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We introduce a notion of strongly C^{\times}-graded, or equivalently, C/Z-graded generalized g-twisted V-module associated to an automorphism g, not necessarily of finite order, of a vertex operator algebra. We also introduce a notion of…

Quantum Algebra · Mathematics 2014-11-18 Yi-Zhi Huang

We prove that the categories of weight modules over the simple $\mathfrak{sl}(2)$ and $\mathcal{N}=2$ superconformal vertex operator algebras at fractional admissible levels and central charges are rigid (and hence the categories of weight…

Quantum Algebra · Mathematics 2024-11-27 Hiromu Nakano , Florencia Orosz Hunziker , Ana Ros Camacho , Simon Wood

Let Uq(g) be the quantum affine superalgebra associated with an affine Kac-Moody superalgebra g which belongs to the three series osp(1|2n)^(1),sl(1|2n)^(2) and osp(2|2n)^(2). We develop vertex operator constructions for the level 1…

Quantum Algebra · Mathematics 2017-07-31 Ying Xu , Ruibin Zhang

We provide an explicit combinatorial description of highest weights of simple highest weight modules over the simple affine vertex algebra of type A of admissible level k. For admissible simple highest weight modules corresponding to the…

Representation Theory · Mathematics 2021-07-26 Vyacheslav Futorny , Oscar Armando Hernández Morales , Libor Křižka

In this paper, the set of all physical theories is represented by a countable subset of the lattice of consequence operators defined on a language L. It is established that there exists a unifying injection U defined on the set of…

General Physics · Physics 2010-09-08 Robert A. Herrmann

In this paper, the notion of unitary vertex operator superalgebra is introduced. It is proved that the vertex operator superalgebras associated to the unitary highest weight representations for the Neveu-Schwarz Lie superalgebra, Heisenberg…

Quantum Algebra · Mathematics 2015-10-30 Chunrui Ai , Xingjun Lin

We describe the automorphism groups of all holomorphic vertex operator algebras of central charge $24$ with non-trivial weight one Lie algebras by using their constructions as simple current extensions. We also confirm a conjecture of G.…

Quantum Algebra · Mathematics 2023-02-27 Koichi Betsumiya , Ching Hung Lam , Hiroki Shimakura

We construct orbifolds of holomorphic lattice Vertex Operator Algebras for non-Abelian finite automorphism groups $G$. To this end, we construct twisted modules for automorphisms $g$ together with the projective representation of the…

Quantum Algebra · Mathematics 2019-09-23 Thomas Gemünden , Christoph A. Keller

A realization of the elliptic quantum algebra $U_{q,p}(\widehat{sl_2})$ for any given level $k$ is constructed in terms of three free boson fields and their accompanying twisted partners. It can be viewed as the elliptic deformation of…

Quantum Algebra · Mathematics 2009-01-16 Wen-Jing Chang , Xiang-Mao Ding

Let $\mathcal{M}\subseteq\mathcal{B}\left( \mathcal{H}\right) $ be a countable decomposable properly infinite von Neumann algebra with a faithful normal semifinite tracial weight $\tau$ where $\mathcal{B}\left( \mathcal{H}\right) $ is the…

Operator Algebras · Mathematics 2021-11-08 Xiongfeng Zhan , Yifei Ruan , Henanbei Huang , Qihui Li

We discover a large class of simple affine vertex algebras $V_{k} (\mathfrak g)$, associated to basic Lie superalgebras $\mathfrak g$ at non-admissible collapsing levels $k$, having exactly one irreducible $\mathfrak g$-locally finite…

Representation Theory · Mathematics 2024-12-03 Drazen Adamovic , Victor G. Kac , Pierluigi Moseneder Frajria , Paolo Papi , Ozren Perse

The purpose of this paper is to systematically study compactness and essential norm properties of operators on a very general class of weighted Fock spaces over $\C$. In particular, we obtain rather strong necessary and sufficient…

Functional Analysis · Mathematics 2014-04-09 Joshua Isralowitz

We give an abstract construction, based on the Belavin-Polyakov-Zamolodchikov equations, of a family of vertex operator algebras of rank $26$ associated to the modified regular representations of the Virasoro algebra. The vertex operators…

Quantum Algebra · Mathematics 2010-12-30 Igor Frenkel , Minxian Zhu

Bosonized q-vertex operators related to the 4-dimensional evaluation modules of the quantum affine superalgebra $U_q[\hat{sl(2|1)}]$ are constructed for arbitrary level $k=\alpha$, where $\alpha\neq 0, -1$ is a complex parameter appearing…

Quantum Algebra · Mathematics 2016-09-07 Yao-Zhong Zhang , Mark D. Gould

For any complex simple Lie algebra, we generalize primary fileds in the Wess-Zumino-Novikov-Witten conformal field theory with respect to the case of irregular singularities and we construct integral representations of hypergeometric…

Mathematical Physics · Physics 2010-11-02 Hajime Nagoya , Juanjuan Sun

Let $\mathfrak g$ be a finite simple Lie algebra, and let $r$ denote the ratio of the square length of long roots to that of short roots. Let $\wp>2r$ be an integer and $\zeta$ a primitive $\wp$-th root of unity. Denote by $\mathcal…

Quantum Algebra · Mathematics 2026-04-07 Fei Kong

In this paper we present the principal construction of the vertex operator representation for toroidal Lie algebras.

High Energy Physics - Theory · Physics 2015-06-26 Yuly Billig

A general method for constructing logarithmic modules in vertex operator algebra theory is presented. By utilizing this approach, we give explicit vertex operator construction of certain indecomposable and logarithmic modules for the…

Quantum Algebra · Mathematics 2014-11-18 Drazen Adamovic , Antun Milas

We prove unitarity of the vacuum representation of the $\mathcal{W}_3$-algebra for all values of the central charge $c\geq 2$. We do it by modifying the free field realization of Fateev and Zamolodchikov resulting in a representation which,…

Representation Theory · Mathematics 2023-05-16 Sebastiano Carpi , Yoh Tanimoto , Mihály Weiner

A series of vertex operator algebras are constructed by GKO-construction, which is a generalization of 3A-algebra and 6A-algebra. It is proved their vertex operator algebra structures are unique under nonzero assumptions on some elements of…

Quantum Algebra · Mathematics 2026-01-14 Gu Yuhan , Zheng Wen