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Dessins d'enfants in N=2 generalised quiver theories

He, Y. and Read, J. (2015). Dessins d'enfants in N=2 generalised quiver theories. Journal of High Energy Physics(8), 85.. doi: 10.1007/JHEP08(2015)085

Abstract

We study Grothendieck’s dessins d’enfants in the context of the N=2 supersymmetric gauge theories in (3 + 1) dimensions with product SU (2) gauge groups which have recently been considered by Gaiotto et al.. We identify the precise context in which dessins arise in these theories: they are the so-called ribbon graphs of such theories at certain isolated points in the moduli space. With this point in mind, we highlight connections to other work on trivalent dessins, gauge theories, and the modular group.

Publication Type: Article
Additional Information: © The Authors 2015.
Publisher Keywords: Supersymmetric gauge theory, Gauge Symmetry, Differential and Algebraic Geometry
Subjects: Q Science > QA Mathematics
Departments: School of Mathematics, Computer Science & Engineering > Mathematics
URI: http://openaccess.city.ac.uk/id/eprint/16450
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