Modularity in orbifold theory for vertex operator superalgebras

C Dong, Z Zhao - Communications in mathematical physics, 2005 - Springer
This paper is about the orbifold theory for vertex operator superalgebras. Given a vertex
operator superalgebra V and a finite automorphism group G of V, we show that the trace …

[PDF][PDF] Modularity of trace functions in orbifold theory for Z-graded vertex operator superalgebras

C Dong, Z Zhao - Moonshine: the first quarter century and beyond, 2010 - nzdr.ru
We study the trace functions in orbifold theory for Z-graded vertex operator superalgebras
and obtain a modular invariance result. More precisely, let V be a C2-cofinite Z-graded …

[HTML][HTML] G-twisted associative algebras of vertex operator superalgebras

C Dong, C Yang - Journal of Algebra, 2022 - Elsevier
Let V be a vertex operator superalgebra and G a finite automorphism group of V. Let σ be
the order 2 automorphism of V associated with the superstructure of V. A sequence of …

[HTML][HTML] On orbifold theory

C Dong, L Ren, F Xu - Advances in Mathematics, 2017 - Elsevier
Let V be a simple vertex operator algebra and G a finite automorphism group of V such that
VG is regular. It is proved that every irreducible V G-module occurs in an irreducible g …

Construction and classification of holomorphic vertex operator algebras

J van Ekeren, S Möller… - Journal für die reine und …, 2020 - degruyter.com
We develop an orbifold theory for finite, cyclic groups acting on holomorphic vertex operator
algebras. Then we show that Schellekens' classification of V 1-structures of meromorphic …

A cyclic orbifold theory for holomorphic vertex operator algebras and applications

S Möller - arXiv preprint arXiv:1611.09843, 2016 - arxiv.org
In this thesis we develop an orbifold theory for a finite, cyclic group $ G $ acting on a suitably
regular, holomorphic vertex operator algebra $ V $. To this end we describe the fusion …

Modularity on vertex operator algebras arising from semisimple primary vectors

H Yamauchi - International Journal of Mathematics, 2004 - World Scientific
In this article, using an idea of the physics superselection principal, we study a modularity on
vertex operator algebras arising from semisimple primary vectors. We generalizes the theta …

Torus n-point functions for-graded vertex operator superalgebras and continuous fermion orbifolds

G Mason, MP Tuite, A Zuevsky - Communications in mathematical physics, 2008 - Springer
We consider genus one n-point functions for a vertex operator superalgebra with a real
grading. We compute all n-point functions for rank one and rank two fermion vertex operator …

Uniform product of Ag, n (V) for an orbifold model V and G-twisted Zhu algebra

M Miyamoto, K Tanabe - Journal of Algebra, 2004 - Elsevier
Let V be a vertex operator algebra and G a finite automorphism group of V. For each g∈ G
and nonnegative rational number n∈ Z/| g|, an associative algebra Ag, n (V) plays an …

2A-orbifold construction and the baby-monster vertex operator superalgebra

H Yamauchi - Journal of Algebra, 2005 - Elsevier
In this article we give a new proof of the determination of the full automorphism group of the
baby-monster vertex operator superalgebra based on a theory of simple current extensions …