2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43211We give an introduction to the statistical approach to studying vacua of string/M theory, and discuss recent results of Ashok and Douglas on counting supersymmetric flux vacua in type IIb Calabi-Yau compactification. To appear in the proceedings of the 2003 String Phenomenology workshop in Durham, UK.14 pages, latex, documentclass ws-p8-50x6-00High Energy Physics - Phenomenologytext