Copure (m, n)-injective modules and (?, m, n)-cotorsion modules

Abstract

In this paper we introduce the notions of copure (m, n)-injective modules and (?, m, n)-cotorsion modules as generalizations of (m, n)-injective modules and (m, n)-cotorsion modules, respectively. We also obtain some properties of these modules. © 2014 Elsevier B.V., All rights reserved.