In the second chapter, we study the regularity of SF-rings whose every maximal essential one-sided ideal is generalized weak ideal.

第二章，主要研究极大本质单边理想是广义弱理想的SF -环的正则性。

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We study the regularity of right SF-rings whose every maximal right ideal is a quasi-ideal. Some new characterizations on the regularity of right SF-rings are obtained, which generalize some results.

研究了每一个极大的右理想是拟理想的右SF -环的正则性，得到了右SF -环是正则环的一些新的刻画，推广了一些已知的结论。

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