摘要
Let R be a graded ring. We define and study strongly Gorenstein gr-projective, gr-injective, and gr-flat modules. Some connections among these modules are discussed. We also explore the relations between the graded and the ungraded strongly Gorenstein modules.
Let R be a graded ring. We define and study strongly Gorenstein gr-projective, gr-injective, and gr-flat modules. Some connections among these modules are discussed. We also explore the relations between the graded and the ungraded strongly Gorenstein modules.
基金
Acknowledgements This work was Foundation of China （Grant No. 11371187） Province of China （Grant No. BK20160771） supported by the National Natural Science and the Natural Science Foundation of Jiangsu
