| 半模的投射盖和半模的根 |
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| 引用本文： | 王秀丽.半模的投射盖和半模的根[J].数学研究,2004,37(4):421-425,430. |
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| 作者姓名： | 王秀丽 |
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| 作者单位： | 中国民用航空学院理学院,天津,300300 |
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| 摘 要： | 引入了半模的投射盖和半模的根的初步的定义，给出了半模范畴中投射盖和根的几个初步的结果，推广了模的投射盖和根的一些性质．
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| 关 键 词： | 半模的投射盖 半模的根 投射半模 多余子半模 优半模 |
| 修稿时间： | 2003年7月21日 |
Projective Covers and Radical of Semimodules |
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| Wang Xiuli.Projective Covers and Radical of Semimodules[J].Journal of Mathematical Study,2004,37(4):421-425,430. |
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| Authors: | Wang Xiuli |
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| Abstract: | In this paper, we introduce the preliminary definition about projective covers and radical of semimodules, some preliminary results about them are presented in the category of semimodules, which generalize some properties of projective covers and radical in the category of module. |
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| Keywords: | Projective covers of semimodules radical of semimodules projective semimodules superfluous subsemimodules well-semimodules |
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