2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72642It is shown that each almost maximal valuation ring R such that every indecomposable injective module is countably generated, satisfies the following condition (C): each fp-injective module is locally injective. The converse holds if R is a domain. Moreover, it is proved that a valuation ring that sastisfies this condition (C) is almost maximal.Rings and AlgebrasInjective modules and fp-injective modules over valuation ringstext