强右极小内射, semiperfect,右 PF, clean n阶三角矩阵环的等价刻画  

Equivalent characterizations of strong right mininjective, semiperfect, right PF and clean triangular matrix rings of order n

作　　者：唐国亮 陈玲巧 狄振兴 TANG Guo-liang;CHEN Ling-qiao;DI Zhen-xing(College of Mathematics and Statistics,Northwest Normal University,Lanzhou 730070,Gansu,China)

机构地区：[1]西北师范大学数学与统计学院,甘肃兰州730070

出　　处：《山东大学学报（理学版）》2022年第2期8-13,共6页Journal of Shandong University(Natural Science)

基　　金：国家自然科学基金资助项目(11971388)。

摘　　要：设n是任意取定的正整数,给出了强右极小内射,semiperfect,右PF, clean n阶三角矩阵环的等价刻画。Let n be a given positive integer. The equivalent characterizations of strong right mininjective, semiperfect, right PF and clean triangular matrix rings of order n are given.

关 键 词：n阶三角矩阵环 强右极小内射环 semiperfect环 右PF环 CLEAN环 

分 类 号：O153.3[理学—数学]