Chinese Quarterly Journal of Mathematics ›› 1998, Vol. 13 ›› Issue (2): 27-30.

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Characterization of Hereditary Rings ViaInjectivity and Projectivity Classes

  

  1.  Department of Mathematics,Shangqiu Normal College,Shangqiu,476000;  Normal School of Xiangcheng County
  • Received:1996-09-01 Online:1998-06-30 Published:2024-10-30

Abstract: In this note,some characterizations of hereditary rings using injectivity classes and projectivity classes are given.These results unify many well known results. 

Key words:  , hereditary ring;injectivity classes;projectivity classes

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