This paper concerns the related comparability and related power compa- rability of rings and modules,and some new characterizations for the related compa- rability are given.
本文研究模的r-比较性和r-幂比较性,给出了r-比较性的新刻划,得到了模的r-幂比较结构与其自同态环的r-幂比较性间的关系,证明了如果模M为r-幂比较的则它的任意直和项也是r-幂比较的。
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