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Huan Yin CHEN Miao Sen CHEN 《数学学报(英文版)》2006,22(2):417-424
We introduce the concept of ideal-comparability condition for regular rings. Let I be an ideal of a regular ring R. If R satisfies the I-comparability condition, then R is one-sided unit-regular if and only if so is R/I. Also, we show that a regular ring R satisfies the general comparability if and only if the following hold: (1) R/I satisfies the general comparability; (2) R satisfies the general I-comparability condition; (3) The natural map B(R) → B(R/I) is surjective. 相似文献
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