| 推出图与模的投射性 |
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| 引用本文： | 汪军鹏.推出图与模的投射性[J].甘肃科学学报,2010,22(1):54-56. |
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| 作者姓名： | 汪军鹏 |
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| 作者单位： | 西北师范大学,数学与信息科学学院,甘肃,兰州,730070 |
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| 摘 要： | 利用推出图给出了直和因子的等价刻画,并且讨论了投射模与推出图的相互关系.
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| 关 键 词： | 推出图 直和因子 投射模 |
On Pushout Diagrams and Projectiveness of Modules |
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| WANG Jun-peng.On Pushout Diagrams and Projectiveness of Modules[J].Journal of Gansu Sciences,2010,22(1):54-56. |
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| Authors: | WANG Jun-peng |
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| Institution: | College of Mathematics and Informaton Science;Northwest Normal University;Lanzhou 730070;China |
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| Abstract: | By using the pushout diagrams,some equivalent characterizations of direct summands are given,and the relations between projective modules and pushout diagrams are also discussed. |
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| Keywords: | pushout diagram direct summand projective module |
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