Totally reflexive modules with respect to a semidualizing bimodule |
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Authors: | Zhen Zhang Xiaosheng Zhu Xiaoguang Yan |
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Institution: | 1. Department of Primary Education, Zibo Normal College, Zibo, 255100, China 2. Department of Mathematics, Nanjing University, Nanjing, 210093, China 3. Department of Mathematics and Information Technology, Nanjing Xiaozhuang University, Nanjing, 211171, China
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Abstract: | Let S and {iaR} be two associative rings, let S C R be a semidualizing (S,R)-bimodule. We introduce and investigate properties of the totally reflexive module with respect to S C R and we give a characterization of the class of the totally C R -reflexive modules over any ring R. Moreover, we show that the totally C R -reflexive module with finite projective dimension is exactly the finitely generated projective right R-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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