Open AccessSemi-projective modules
Author(s) -
D. Döman
Publication year - 1984
Publication title -
suid-afrikaanse tydskrif vir natuurwetenskap en tegnologie/die suid-afrikaanse tydskrif vir natuurwetenskap en tegnologie
Language(s) - English
Resource type - Journals
eISSN - 2222-4173
pISSN - 0254-3486
DOI - 10.4102/satnt.v3i2.1075
Subject(s) - projective test , property (philosophy) , pure mathematics , computer science , mathematics , algebra over a field , philosophy , epistemology
It is well-known that the submodules of a projective module need not be projective. In this article we investigate a certain projectivity which is preserved under the taking of submodules. This property is used to characterize hereditary rings and QF rings