Totally reflexive modules with respect to a semidualizing bimodule

Totally reflexive modules with respect to a semidualizing bimodule
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相对于半对偶化双模的完全自反模

DOI:
10.1007/s10587-013-0024-2
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发表时间:
2013-06
影响因子:
0.5
通讯作者:
Zhen Zhang, Zhu X iaosheng
Zhen Zhang, Zhu X iaosheng
中科院分区:
数学4区
文献类型:
--
作者:
Zhen Zhang, Zhu X iaosheng

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设sand {iaR}为两个结合环,letscr1为一个半虚化(S,R)双模。引入并研究了环r上全自反模的性质,并给出了环r上全自反模的一类刻画。此外,我们还证明了有限射影维数的全自反模就是有限生成的射影右r模。然后,我们研究了关于半虚化双模的全自反模类与Bass类之间的关系。本文给出了交换诺etherian环境下的几个新结果。
LetSand {iaR} be two associative rings, letSCRbe a semidualizing (S,R)-bimodule. We introduce and investigate properties of the totally reflexive module with respect toSCRand we give a characterization of the class of the totallyCR-reflexive modules over any ringR. Moreover, we show that the totallyCR-reflexive module with finite projective dimension is exactly the finitely generated projective rightR-module. We then study the relations between the class of totally reflexive modules and the Bass class with respect to a semidualizing bimodule. The paper contains several results which are new in the commutative Noetherian setting.
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