2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77867The principal result is a primary decomposition of ideals generated by the (2x2)-subpermanents of a generic matrix. These permanental ideals almost always have embedded components and their minimal primes are of three distinct heights. Thus the permanental ideals are almost never Cohen-Macaulay, in contrast with determinantal ideals.13 pagesCommutative Algebra13C05, 13P10text