Abstract
The purpose of this paper is to introduce two new classes of rings that are closely related to the classes of Prüfer domains, \(\phi \)-Prüfer rings, Bézout domains, and \(\phi \)-Bézout rings. Let \(G\mathcal {H}=\{R \mid R\) is a commutative ring admitting a divided prime ideal \(P \subseteq Z(R) \}\). Let \(R \in G\mathcal {H}\) and T(R) be the total ring of quotients of R. Define \(\phi _P: T(R) \longrightarrow R_{P}\) by \(\phi (a / b)=a / b\) for every \(a \in R\) and \(b \in R \setminus Z(R)\). Then \(\phi _P\) is a ring homomorphism from T(R) into \(R_{P}\), and \(\phi _P\) restricted to R is also a ring homomorphism from R into \(R_{P}\) given by \(\phi _P(x)=x / 1\) for every \(x \in R\). If \(Z(\phi _P(R))=\phi _P(P)\), then R is called a strongly \(\phi _P\)-ring. A P-ideal I of R (i.e., \(P \subset I\)) is said to be \(\phi _P\)-invertible if \(\phi _P(I)\) is an invertible ideal of \(\phi _P(R)\). If every finitely generated P-ideal of R is \(\phi _P\)-invertible, then we say that R is a \(\phi _P\)-Prüfer ring. We also say that R is a \(\phi _P\)-Bézout ring if \(\phi _P(I)\) is a principal ideal of \(\phi _P(R)\) for every finitely generated P-ideal I of R. We show that the theories of \(\phi _P\)-Prüfer and \(\phi _P\)-Bézout rings are similar to those of Prüfer and Bézout domains.
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H. Kim was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education (2021R1I1A3047469).
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Communicated by Vyacheslav Futorny.
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Kim, H., Mahdou, N. & Oubouhou, E.H. Generalizations of Prüfer rings and Bézout rings. São Paulo J. Math. Sci. 18, 126–141 (2024). https://doi.org/10.1007/s40863-024-00413-y
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DOI: https://doi.org/10.1007/s40863-024-00413-y