2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42712The use of inclusive B decays to determine |V_{ub}|, |V_{cb}|, m_b and heavy quark matrix elements via spectral moments is discussed.Invited talk presented at the Workshop on the CKM Unitarity Triange, IPPP Durham, April 2003. 7 pages, 4 figuresHigh Energy Physics - PhenomenologyApplications of the heavy quark expansion: V_{ub} and spectral momentstext