paper

Integrality of instanton numbers and p-adic B-model

arXiv:hep-th/0603106 · doi:10.1016/j.physletb.2006.04.012

Abstract

We study integrality of instanton numbers (genus zero Gopakumar - Vafa invariants) for quintic and other Calabi-Yau manifolds. We start with the analysis of the case when the moduli space of complex structures is one-dimensional; later we show that our methods can be used to prove integrality in general case. We give an expression of instanton numbers in terms of Frobenius map on -adic cohomology ; the proof of integrality is based on this expression.

10 pages, minor changes

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Integrality of instanton numbers and p-adic B-model · wovepaper