| 弱$I$序列的刻画 |
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| 引用本文： | 王春华,宋传宁. 弱$I$序列的刻画[J]. 数学研究及应用, 2007, 27(3): 479-483 |
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| 作者姓名： | 王春华 宋传宁 |
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| 作者单位： | 上海水产大学应用数学系，上海师范大学数学系 上海 200090，上海 200234 |
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| 基金项目： | Youth Fund of Shanghai Fisheries University. |
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| 摘 要： | 在文献[5]中,周才军定义了弱I序列,并利用Koszul上同调和局部上同调的方法刻画了这种序列,本文利用Ext函子刻画了弱I序列。
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| 关 键 词： | Noetherian局部环 Ext函子 |
| 文章编号： | 1000-341X（2007）03-0479-05 |
| 收稿时间： | 2005-06-06 |
| 修稿时间： | 2005-06-06 |
Characterization of Weak $I$ Sequences |
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| WANG Chun-hua and SONG Chuan-ning. Characterization of Weak $I$ Sequences[J]. Journal of Mathematical Research with Applications, 2007, 27(3): 479-483 |
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| Authors: | WANG Chun-hua and SONG Chuan-ning |
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| Affiliation: | Department of Applied Mathematics, Shanghai Fisheries University, Shanghai 200090, China;Department of Mathematicas, Shanghai Normal University, Shanghai 200234, China |
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| Abstract: | In[5],Zhou defined the notion of weak I sequences and characterized such se- quences by Koszul cohomology and local cohomology methods.The aim of this paper is to characterize weak I sequences by means of Ext functor. |
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| Keywords: | Noetherian local ring Ext functor. |
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