An algorithm of computing cohomology intersection number of hypergeometric integrals

Published 2 Apr 2019 in math.AG and math.CA | (1904.01253v5)

Abstract: We show that the cohomology intersection number of a twisted Gauss-Manin connection with regularization condition is a rational function. As an application, we obtain a new quadratic relation associated to period integrals of a certain family of K3 surfaces.

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