\(\mathbb{S}\)-superfluous and \(\mathbb{S}\)-essential homomorphisms.

DOI10.1016/S0252-9602(09)60038-2zbMath1199.16091MaRDI QIDQ846864

Haiyan Zhu, Nan Qing Ding

Publication date: 12 February 2010

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

zbMATH Keywords

precoversexact sequencesvon Neumann regular ringspreenvelopesleft perfect ringsessential monomorphismscopure monomorphismsminimal homomorphismspure epimorphismssuperfluous epimorphisms

Mathematics Subject Classification ID

Injective modules, self-injective associative rings (16D50) Free, projective, and flat modules and ideals in associative algebras (16D40) Automorphisms and endomorphisms (16W20)

Related Items (1)

Purity and approximation with respect to a class of morphisms

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