2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43113I briefly review some results and open questions in the analysis of CP violation in the B sector.Invited talk at XV - IFAE Lecce 2003, April 23-26 2003. LaTex, 7 pages, 2 eps figuresHigh Energy Physics - Phenomenologytext