Jian Guo Tang
Abstract
Let G be a group,and R a graded ring of type G .The relations between graded quasi injective modules(or graded quasi projective mpdules)are studied. In particular,it is proved that they are equivalent under some conditions.
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Let G be a group,and R a graded ring of type G .The relations between graded quasi injective modules(or graded quasi projective mpdules)are studied. In particular,it is proved that they are equivalent under some conditions.
Key concepts: Injective function, Mathematics, Pure mathematics, Projective module, Projective test, Injective module, Type (biology), Ring (chemistry)