Chinese Quarterly Journal of Mathematics ›› 2001, Vol. 16 ›› Issue (3): 42-48.

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PC-rings and Almost Excellent Extensions 

  

  1.  江苏石油化工学院信息与计算科学系 江苏常州213016,西北师范大学数学系 甘肃兰州730070 
  • Received:1999-02-02 Online:2001-09-30 Published:2024-06-03
  • About author:ZHAO Zhi-xin(1963-),male,native of Wujin,Jiangsu,an associate professor of Jiangsu Institute of Petrochemical Technology,engages in ring theory、matrix theory.

Abstract: 本文我们讨论了这种环R的结构 ,R是凝聚环且R作为R-模是P-内射 ,我们称此环为PC-环 .并证明了在几乎优越扩张下的不变性. 

Key words:  , PC-环, 几乎优越扩张,

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