The search session has expired. Please query the service again.

The search session has expired. Please query the service again.

Displaying similar documents to “On the existence of projective and quasi-projective covers”

Characterizations of semiperfect and perfect rings.

Weimin Xue (1996)

Publicacions Matemàtiques

Similarity:

We characterize semiperfect modules, semiperfect rings, and perfect rings using locally projective covers and generalized locally projective covers, where locally projective modules were introduced by Zimmermann-Huisgen and generalized locally projective covers are adapted from Azumaya’s generalized projective covers.