| Characterization of Weak $I$ Sequences |
| Received:June 06, 2005 Revised:November 25, 2005 |
| Key Words:
Noetherian local ring Ext functor.
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| Fund Project:Youth Fund of Shanghai Fisheries University. |
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| Abstract: |
| In [5], Zhou defined the notion of weak $I$ sequences and characterized such sequences by Koszul cohomology and local cohomology methods. The aim of this paper is to characterize weak $I$ sequences by means of Ext functor. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.2007.03.005 |
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