2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114054In this paper we solve a problem, originally raised by Grothendieck, on the transfer of Cohen-Macaulayness to tensor products of algebras over a field. As a prelude to this, we investigate the grade for some specific types of ideals that play a primordial role within the ideal structure of such constructions.8 pagesCommutative AlgebraAlgebraic Geometry13H10text