We define non-unital exchange rings and we prove that if I is an ideal of a ring R, then R is an exchange ring if and only if I and RrI are exchange rings and idempotents can be lifted modulo I. We also show that we can replace the condition on liftability of idempotents with the condition that the
โฆ LIBER โฆ
Finite subnormalizing extensions of rings
โ Scribed by E.A Whelan
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 834 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0021-8693
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