Non-perturbative corrections in N = 2 strings †


We investigate the non-perturbative equivalence of some heterotic/type IIA dual pairs with N = 2 supersymmetry. We compute R-like corrections, both on the type IIA and on the heterotic side. The coincidence of their perturbative part provides a test of duality. The type IIA result is then used to predict the full, non-perturbative correction to the… (More)


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