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In this paper we introduce an analog of the (classical) Yang-Baxter equation (CYBE) for vertex operator algebras (VOAs) in its tensor form, called the vertex operator Yang-Baxter equation (VOYBE). When specialized to level one of a vertex…

Quantum Algebra · Mathematics 2023-07-06 Chengming Bai , Li Guo , Jianqi Liu

Vertex operators, being families of birational transformations of infinite-dimensional algebraic ``varieties'' M, act on appropriate line bundles on M. However, they act on (meromorphic) sections only as_partial operators_: they are defined…

Algebraic Geometry · Mathematics 2007-05-23 Ilya Zakharevich

One approach to multivariate operator theory involves concepts and techniques from algebraic and complex geometry and is formulated in terms of Hilbert modules. In these notes we provide an introduction to this approach including many…

Functional Analysis · Mathematics 2007-11-28 Ronald G. Douglas

The moduli space $M$ of semi-stable rank 2 bundles with trivial determinant over a complex curve carries involutions naturally associated to 2-torsion points on the Jacobian of the curve. For every lift of a 2-torsion point to a 4-torsion…

alg-geom · Mathematics 2007-05-23 Jorgen Ellegaard Andersen , Gregor Masbaum

By a pointed vertex operator algebra (VOA) we mean one whose modules are all simple currents (i.e. invertible), e.g. lattice VOAs. This paper systematically explores the interplay between their orbifolds and tensor category theory. We begin…

Quantum Algebra · Mathematics 2024-10-02 Terry Gannon , Andrew Riesen

We study a family of non-C2-cofinite vertex operator algebras, called the singlet vertex operator algebras, and connect several important concepts in the theory of vertex operator algebras, quantum modular forms, and modular tensor…

Quantum Algebra · Mathematics 2024-12-05 Thomas Creutzig , Antun Milas , Simon Wood

For a smooth quasi-projective surface S over complex numbers we consider the Borel-Moore homology of the stack of coherent sheaves on S with compact support and make this space into an associative algebra by a version of the Hall…

Algebraic Geometry · Mathematics 2022-03-31 Mikhail Kapranov , Eric Vasserot

Let $M$ be a Riemannian manifold. For $p\in M$, the tensor algebra of the negative part of the (complex) affinization of the tangent space of $M$ at $p$ has a natural structure of a meromorphic open-string vertex algebra. These meromorphic…

Differential Geometry · Mathematics 2026-03-24 Yi-Zhi Huang

We show how quiver representations and their invariant theory natu- rally arise in the study of some moduli spaces parametrizing bundles dened on an algebraic curve, and how they lead to ne results regarding the geometry of these spaces.

Representation Theory · Mathematics 2009-12-17 Olivier Serman

We study Hecke operators on vector-valued modular forms for the Weil representation $\rho_L$ of a lattice $L$. We first construct Hecke operators $\mathcal{T}_r$ that map vector-valued modular forms of type $\rho_L$ into vector-valued…

Number Theory · Mathematics 2019-05-28 Vincent Bouchard , Thomas Creutzig , Aniket Joshi

We introduce theta-functions of VOA-modules and show that the space spanned by them has a modular invariance property.

Quantum Algebra · Mathematics 2007-05-23 Masahiko Miyamoto

For a vertex operator algebra $V$, one may naturally define spaces of conformal blocks following a construction of Frenkel-Ben-Zvi generalized by Damiolini-Gibney-Tarasca. If $V$ is strongly rational, these spaces of conformal blocks form…

Quantum Algebra · Mathematics 2025-09-09 Chiara Damiolini , Lukas Woike

This is a review article exploring similarities between moduli of quiver representations and moduli of vector bundles over a smooth projective curve. After describing the basic properties of these moduli problems and constructions of their…

Algebraic Geometry · Mathematics 2019-01-01 Victoria Hoskins

We utilize the structure of quasiautomorphic forms over a Hecke triangle group to define a mapping from a quasiautomorphic form to a vector-valued automorphic form (vvaf). This kind of vvaf we call a Hecke vector-form. First we supply a…

Number Theory · Mathematics 2026-05-21 Michael Andrew Henry

Double forms are sections of the vector bundles $\Lambda^{k}T^*\mathcal{M}\otimes \Lambda^{m}T^*\mathcal{M}$, where in this work $(\mathcal{M},\mathfrak{g})$ is a compact Riemannian manifold with boundary. We study graded second-order…

Analysis of PDEs · Mathematics 2021-12-28 Raz Kupferman , Roee Leder

We show that coinvariants of modules over vertex operator algebras give rise to quasi-coherent sheaves on moduli of stable pointed curves. These generalize Verlinde bundles or vector bundles of conformal blocks defined using affine Lie…

Algebraic Geometry · Mathematics 2021-09-22 Chiara Damiolini , Angela Gibney , Nicola Tarasca

For a foliation $\F$ defined on a smooth complex manifold $M$ we introduce the category of vertex operator algebra $V$ bundles with sections provided by vectors of elements of the space of algebraically extended $V$-module $W$-valued…

Functional Analysis · Mathematics 2024-06-04 A. Zuevsky

This note is an attempt to extend "Geometric Langlands Conjecture" from algebraic curves to algebraic surfaces. We introduce certain Hecke-type operators on vector bundles on an algebraic surface. The crucial observation is that the algebra…

q-alg · Mathematics 2008-02-03 Victor Ginzburg , Mikhail Kapranov , Eric Vasserot

Using the language of vertex operator algebras (VOAs) and vector-valued modular forms we study the modular group representations and spaces of 1-point functions associated to intertwining operators for Virasoro minimal model VOAs. We…

Quantum Algebra · Mathematics 2016-12-09 Matthew Krauel , Christopher Marks

We give a brief survey of recent work on integral forms in vertex operator algebras (VOAs).

Rings and Algebras · Mathematics 2019-03-21 Robert L. Griess