Generalizations of perfect, semiperfect, and semiregular rings

Y Zhou - Algebra colloquium, 2000 - Springer
For a ring R and a right R-module M, a submodule N of M is said to be δ-small in M if,
whenever N+ X= M with M/X singular, we have X= M. If there exists an epimorphism p: P→ M …

[PDF][PDF] Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - academia.edu
For a ring R and a right R-module M, a submodule N of M is said to be-small in M if,
whenever N+ X= M with M= X singular, we have X= M. If there exists an epimorphism p: P! M …

Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - infona.pl
For a ring R and a right R-module M, a submodule N of M is said to be δ-small in M if,
whenever N+ X= M with M/X singular, we have X= M. If there exists an epimorphism p: P→ M …

[PDF][PDF] Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - scholar.archive.org
For a ring R and a right R-module M, a submodule N of M is said to be S-small in M if,
whenever N+ X= M with M/X singular, we have X= M. If there exists an epimorphism p: P! M …

Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - infona.pl
For a ring R and a right R-module M, a submodule N of M is said to be δ-small in M if,
whenever N+ X= M with M/X singular, we have X= M. If there exists an epimorphism p: P→ M …

[引用][C] Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - Springer

[引用][C] Generalizations of Perfect, Semiperfect, and Semiregular Rings

Y Zhou - Algebra Colloquium, 2000 - Springer