2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94700We consider Murre's conjectures on Chow groups for a fourfold which is a product of two curves and a surface. We give a result which concerns Conjecture D:the kernel of a certain projector is equal to the homologically trivial part of the Chow group. We also give a proof of Conjecture B for a product of two surfaces.7 pagesAlgebraic Geometry14C25text