Journal of the Korean Mathematical Society (대한수학회지)

Korean Mathematical Society (대한수학회)
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THE CLASS OF MODULES WITH PROJECTIVE COVER

  • Guo, Yong-Hua (DEPARTMENT OF MATHEMATICS NANJING UNIVERSITY, DEPARTMENT OF MATHEMATICS GUANGXI NORMAL UNIVERSITY)
  • Published : 2009.01.31
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Abstract

Let R be a ring. A right R-module M is called perfect if M possesses a projective cover. In this paper, we consider the relationship between the class of perfect modules and other classes of modules. Some known rings are characterized by these relationships.

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