On two versions of Cohen's theorem for modules

preprint2022arXivOpen access

Abstract

Parkash and Kour obtained a new version of Cohen's theorem for Noetherian modules, which states that a finitely generated RR-module MM is Noetherian if and only if for every prime ideal p\mathfrak{p} of RR with Ann(M)⊆p(M)\subseteq \mathfrak{p}, there exists a finitely generated submodule NpN^\mathfrak{p} of MM such that pM⊆Np⊆M(p)\mathfrak{p} M\subseteq N^\mathfrak{p}\subseteq M(\mathfrak{p}), where M(p)={x∈M∣sx∈pMM(\mathfrak{p})=\{x\in M\mid sx\in \mathfrak{p} M for some s∈R∖p}s\in R \setminus \mathfrak{p} \}. In this paper, we generalize the Parkash and Kour version of Cohen's theorem for Noetherian modules to those for SS-Noetherian modules and ww-Noetherian modules.

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