科研之友
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摘要
Let G be a finite group, and C a G-abelian category. We prove that the skew group category C(G) is an abelian category under the condition that the order |G| is invertible in C. When the order broken vertical bar G broken vertical bar is not invertible in C, an example is given to show that C(G) is not an abelian category.
- 出版日期2017-6
- 单位厦门理工学院
