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    • On δ-perfect and δ-semiperfect rings 

      Kızılaslan, Gonca (Izmir Institute of Technology, 2014)
      In this thesis, we give a survey of generalizations of right-perfect, semiperfect and semiregular rings by considering the class of all singular R-modules in place of the class of all R-modules. For a ring R and a right ...