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Non-perturbative Symmetries of Little Strings and Affine Quiver Algebras

2023/11/07 by Baptiste Filoche, Filoche, Baptiste, Stefan Hohenegger +3
Mathematics · Physics and Astronomy · #Affine transformation #Algebra over a field #Algebraic structures and combinatorial models #Black Holes and Theoretical Physics #Combinatorics #FOS: Physical sciences #Gauge theory #Geometry #High Energy Physics - Theory (hep-th) #Homogeneous space #Invariant (physics) #Mathematical physics #Mathematics #Physics #Pure mathematics #Quantum Chromodynamics and Particle Interactions #Quiver #Vertex (graph theory)

paper · pdf · doi:10.48550/arxiv.2311.03858

published in arXiv (Cornell University) (Cornell University)

openalex publication_date 2023/11/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

We consider Little String Theories (LSTs) that are engineered by N parallel M5-branes probing a transverse ℤM geometry. By exploiting a dual description in terms of F-theory compactified on a toric Calabi-Yau threefold XN,M, we establish numerous symmetries that leave the BPS partition function ZN,M invariant. They furthemore act in a non-perturbative fashion from the point of view of the low energy quiver gauge theory associated with the LST. We present different group theoretical organisations of these symmetries, thereby generalising the results of [arXiv:1811.03387] to the case of generic M ≥ 1. We also provide a Mathematica package that allows to represent them in terms of matrices that act linearly on the Kähler parameters of XN,M. From the perspective of dual realisations of the LSTs the symmetries found here act in highly nontrivial ways: as an example, we consider a formulation of ZN,M in terms of correlation functions of a vertex operator algebra, whose commutation relations are governed by an affine quiver algebra. We show the impact of the symmetry transformations on the latter and discuss invariance of ZN,M from this perspective for concrete examples.

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