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Dessins d'Enfants, Seiberg-Witten Curves and Conformal Blocks

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arxiv 2101.08843 v3 pith:K7JCSC3X submitted 2021-01-21 hep-th math-phmath.MP

Dessins d'Enfants, Seiberg-Witten Curves and Conformal Blocks

classification hep-th math-phmath.MP
keywords dessinsblocksconformalcurvescertainenfantsseiberg-wittenthen
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We show how to map Grothendieck's dessins d'enfants to algebraic curves as Seiberg-Witten curves, then use the mirror map and the AGT map to obtain the corresponding 4d $\mathcal{N}=2$ supersymmetric instanton partition functions and 2d Virasoro conformal blocks. We explicitly demonstrate the 6 trivalent dessins with 4 punctures on the sphere. We find that the parametrizations obtained from a dessin should be related by certain duality for gauge theories. Then we will discuss that some dessins could correspond to conformal blocks satisfying certain rules in different minimal models.

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