Supergravity solitons and non-perturbative superstrings
arXiv:hep-th/9510190 · doi:10.1016/0920-5632(95)00636-2
Abstract
A review is given of the implications of supersymmetric black holes for the non-perturbative formulation of toroidally compactified superstrings, with particular emphasis on symmetry enhancement at special vacua and S-duality of the heterotic string.
Latex 8pp. To appear in Procs. of 1995 Trieste Spring Superstring School and Workshop