2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42862The determinations of |Vcb| and |Vub| from semileptonic B decays are reviewed with a critical discussion of the theoretical uncertainties and concentrating on recent developments. Future prospects and limitations are also discussed.Invited talk at Flavor Physics & CP Violation (FPCP 2003), Ecole Polytechnique, Paris, France, 3-6 June 2003; 12 pagesHigh Energy Physics - Phenomenologytext