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A note on existence of envelopes and covers

J Chen, N Ding - Bulletin of the Australian Mathematical Society, 1996 - cambridge.org
We prove the following results for a ring R.(a) If C is a class of right R-modules closed under
direct summands and isomorphisms, then every right R-module has an epic C-envelope if …
被引用次数：42 相关文章

A note on existence of envelopes and covers

J Chen, N Ding, J Chen, N Ding - 1996 - arch.neicon.ru
We prove the following results for a ring R.(a) If C is a class of right R-modules closed under
direct summands and isomorphisms, then every right R-module has an epic C-envelope if …

A NOTE ON EXISTENCE OF ENVELOPES AND COVERS

J CHEN, N DING - BULL. AUSTRAL. MATH. SOC - cambridge.org
We prove the following results for a ring R.(a) If C is a class of right R-modules closed under
direct summands and isomorphisms, then every right it-module has an epic C-envelope if …
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[PDF][PDF] A NOTE ON EXISTENCE OF ENVELOPES AND COVERS

J CHEN, N DING - BULL. AUSTRAL. MATH. SOC - scholar.archive.org
We prove the following results for a ring R.(a) If C is a class of right R-modules closed under
direct summands and isomorphisms, then every right it-module has an epic C-envelope if …