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期刊论文
Exchange Rings Satisfying the n-Stable Range Condition, II*
Algebra Colloquium 10: 1 (2003): 1-8,-0001,():
This is a continuation of the paper [14]. It is shown that any finite subdirect product of exchange rings satisfying the n-stable range condition is still an exchange ring satisfying the n-stable range condition. Furthermore, we give necessary and su cient conditions on matrices over an exchange ring R, under which R satisfies the n-stable range condition. This generalizes the corresponding results for unit-regular rings and the stable range one condition.
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