BCOV's Feynman rule of quintic 3-folds
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🧮 math.AG
math-phmath.MP
keywords
feynmanbcovgenusgraphproveruleactionconsequences
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We prove the BCOV Feynman rule by identifying the Feynman graph sum to the graph sum of an R-matrix action extracted from the NMSP theory. As direct consequences, (i) we obtain the genus one and genus two potentials, and (ii) we prove the two Yamaguchi-Yau equations.
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