| Exact Sequences in Categories with Terminal Objects |
| Received:June 11, 1995 |
| Key Words:
image pullback exact sequence equivalency.
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| Abstract: |
| In this paper, we define four generalized exact sequences for the categories with terminal objects. For any category with a null object, the above four exact sequences coincide with the ordinary exact sequences in HAA(homological algebra in abelian categories). |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1997.01.006 |
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