2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43644This paper reviews recent progress of lattice gauge theory determinations of semileptonic B and D decay form factors. These determinations are important in extracting the remaining CKM matrix elements.Invited talk given at Heavy Quarks And Leptons Workshop, San Juan, Puerto Rico, 31 May - 1 Jun 2004High Energy Physics - PhenomenologyHigh Energy Physics - LatticeUnquenched Lattice Gauge Theory Calculations for Semileptonic B, D Decaystext