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arXiv 1609.04052math.RA
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关于C3和D3模类

On classes of C3 and D3 modules

Abyzov Adel Nailevich, Truong Cong Quynh, Tran Hoai Ngoc Nhan

摘要:

本文的目的是研究某些右模类$\mathcal{A}$的$\mathcal{A}$ -C3和$\mathcal{A}$ -D3模的概念.给出了这些模的几个刻画,并用来描述一些著名的环和模类。例如,正则右$R$ -模$F$是$V$ -模当且仅当每个$F$ -循环模$M$是$\mathcal{A}$ -C3模,其中$\mathcal{A}$是$M$的所有简单子模的类.进一步,设$R$是一个右Artinian环,$\mathcal{A}$是一类具有局部自同态的右$R$ -模,包含所有单右$R$ -模且在同构下是闭的.若所有右$R$ -模都是$\mathcal{A}$ -内射的,则$R$是具有$J^{2}(R)=0$的序列Artin环当且仅当每个$\mathcal{A}$ -C3右$R$ -模都是拟内射的,当且仅当每个$\mathcal{A}$ -C3右$R$ -模都是C3的.

英文摘要:

The aim of this paper is to study the notions of $\mathcal{A}$-C3 and $\mathcal{A}$-D3 modules for some class $\mathcal{A}$ of right modules. Several characterizations of these modules are provided and used to describe some well-known classes of rings and modules. For example, a regular right $R$-module $F$ is a $V$-module if and only if every $F$-cyclic module $M$ is an $\mathcal{A}$-C3 module where $\mathcal{A}$ is the class of all simple submodules of $M$. Moreover, let $R$ be a right artinian ring and $\mathcal{A}$, a class of right $R$-modules with local endomorphisms, containing all simple right $R$-modules and closed under isomorphisms. If all right $R$-modules are $\mathcal{A}$-injective, then $R$ is a serial artinian ring with $J^{2}(R)=0$ if and only if every $\mathcal{A}$-C3 right $R$-module is quasi-injective, if and only if every $\mathcal{A}$-C3 right $R$-module is C3.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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