On a question concerning the Cohen's theorem

Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_JART-11-1_005

تاریخ نمایه سازی: 21 تیر 1403

Abstract:

Let R be a commutative ring with identity, and let M be an R-module.  The Cohen's theorem is the classic result that a ring is Noetherian if and only if its prime ideals are finitely generated. Parkash and Kour obtained a new version of Cohen's theorem for modules, which states that a finitely generated R-module M is Noetherian if and only if for every prime ideal p of R with Ann(M) \subseteq p, there exists a finitely generated submodule N of M such that pM \subseteq N \subseteq M(p), where M(p) = \{x \in M | sx \in pM \,\,\textit{for some} \,\, s \in R \backslash p\}. In this paper, we prove this result for some classes of modules.

Authors

S. S. Pourmortazavi

Department of Mathematics, Guilan University, Rasht, Iran

S. Keyvani

Department of Mathematics, Bandar Anzali Branch, Islamic Azad University, Bandar Anzali Branch, Iran