Codominant dimension of rings and modules

Abstract

Perfect rings, minimal injective cogenerator, minimal projective resolutions, injective projective modules, codominant and dominant dimensions, generalized uniserial rings, Kupisch sequences. (1) This paper is taken from the author's doctoral dissertation written under the direction of Professor F. W. Anderson at the University of Oregon while the author was a National Science Foundation Graduate Fellow. The author wishes to express his appreciation to Professor Anderson for his guidance and encouragement.