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Higher equations of motion for boundary Liouville Conformal Field Theory from the Ward identities (2401.13271v2)

Published 24 Jan 2024 in math.PR, math-ph, and math.MP

Abstract: In this document we prove higher equations of motion at the level 2 for boundary Liouville Conformal Field Theory. As a corollary we present a new derivation of the Belavin-Polyakov-Zamolodchikov differential equations. Our method of proof does not rely on the mating of trees machinery but rather exploits the symmetries of the model through the Ward identities it satisfies. To do so we provide a definition of derivatives of the correlation functions with respect to a boundary insertion which was lacking in the existing literature, and introduce a new notion of descendant fields related to these Ward identities.

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  1. Compute unknown structure constants in boundary Toda conformal field theory
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  1. Baptiste Cerclé
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