引用本文: | 戴清平,刘青宝.平坦同态下模的内射维数[J].国防科技大学学报,1997,19(4):106-109.[点击复制] |
Dai Qingping,Liu Qingbao.Injective Dimension under Flat Base Change[J].Journal of National University of Defense Technology,1997,19(4):106-109[点击复制] |
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平坦同态下模的内射维数 |
戴清平, 刘青宝 |
(国防科技大学 系统工程与数学系 湖南 长沙 410073)
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摘要: |
A → B,f 是平坦同态, M 是A-模, 本文给出了idAM 与idB(M○×AB) 的不等式关系。 |
关键词: 平坦同态, 内射维数 |
DOI: |
投稿日期:1997-05-22 |
基金项目:国防科大青年基金资助项目 |
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Injective Dimension under Flat Base Change |
Dai Qingping, Liu Qingbao |
(Department of System Engineering and Applied Mathematics, NUDT, Changsha, 410073)
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Abstract: |
F is a flat homomorphism from ring A to ring B. M is a A-module. We have obtained the inequation between idAM and idB(M○×AB). |
Keywords: Flat Homomorphism, Injective Dimension |
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