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关于w-linked扩环 总被引:1,自引:0,他引:1
Let R ■ T be an extension of commutative rings.T is called w-linked over R if T as an R-module is a w-module.In the case of R ■ T ■ Q 0 (R),T is called a w-linked overring of R.As a generalization of Wang-McCsland-Park-Chang Theorem,we show that if R is a reduced ring,then R is a w-Noetherian ring with w-dim(R) 1 if and only if each w-linked overring T of R is a w-Noetherian ring with w-dim(T ) 1.In particular,R is a w-Noetherian ring with w-dim(R) = 0 if and only if R is an Artinian ring. 相似文献
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Let R be a commutative ring, Q0(R) be the ring of finite fractions over R, and w be the so-called w-operation on R. In this article, we introduce a new type of Prüfer v-multiplication ring, called a quasi-Q0-PvMR and defined as a ring R for which every w-linked Q0-overring of R is integrally closed in Q0(R). Our primary motivation for investigating quasi-Q0-PvMRs is to provide w-theoretic analogues to some work of Lucas [16] concerning Q0-Prüfer rings. (A ring R is called a Q0-Prüfer ring if every Q0-overring of R is integrally closed in Q0(R).) 相似文献
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