Let I be an ideal of an
integral domain T, let φ : T → T∕I be the projection, let D be an integral domain
contained in T∕I, and let R = φ−1(D). We characterize when R is an almost Prüfer
v-multiplication domain, an almost valuation domain, and an almost Prüfer domain,
in the context of pullbacks.
Keywords
pullback, almost Prüfer v-multiplication domain, almost valuation
domain, almost Prüfer domain