2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/170798We resolve an open problem in commutative algebra and Field Arithmetic, posed by Jarden -- Let R be a generalized Krull domain. Is the ring R[[X]] of formal power series over R a generalized Krull domain? We show that the answer is negative.7 pagesCommutative Algebratext