| A Note on AP-Injective Rings |
| Received:November 24, 2000 |
| Key Words:
AP-injective rings weakly injective rings PP-rings.
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| Fund Project:Supported by the NNSF of China (10071035) and the Foundation of the Education |
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| Abstract: |
| The purpose of this paper is to study the following two questions on AP-injective rings: (1) R is a regular ring if and only if R is a left PP-ring and R is left AP-injective; (2) Let R be a right .AP-injective ring. Then R is self-injective if and only if R is weakly injective. Hence we get some new results of P-injective rings. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.2003.02.004 |
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