2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39914Status of the theoretical B -> X_s gamma and B -> X_s l^+ l^- analyses is reviewed. Recently completed perturbative calculations are mentioned. The level at which non-perturbative effects are controlled is discussed.Talk at the 30th International Conference on High Energy Physics, Osaka, July 27 - August 2, 2000. Two pages, no figuresHigh Energy Physics - Phenomenologytext