| co-ojective模 |
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| 引用本文： | 吴德军. co-ojective模[J]. 甘肃联合大学学报(自然科学版), 2003, 17(4): 16-17 |
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| 作者姓名： | 吴德军 |
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| 作者单位： | 西北师范大学,数信学院,甘肃,兰州,730070 |
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| 摘 要： | 定义了co ojective模,证明了如果B是A-co ojective模,B1是B的直和因子,A1是A的直和因子,那么B1是A1-co ojective模.
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| 关 键 词： | co-ojective模 余闭子模 补子模 |
| 文章编号： | 1007-9912(2003)04-0016-02 |
| 修稿时间： | 2003-04-07 |
Co-ojective Modules |
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| WU De-jun. Co-ojective Modules[J]. Journal of Gansu Lianhe University :Natural Sciences, 2003, 17(4): 16-17 |
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| Authors: | WU De-jun |
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| Abstract: | In this paper,we give the definition of co-ojective modules and prove that if B is A-co-ojective and B_1 is a direct summand of B and A_1 is a direct summand of A,then B_1 is A_1-co-ojective. |
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| Keywords: | co-ojective module co-closed submodule supplemented submodule |
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