Describing units of integral group rings of some 2-groups |
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| Authors: | Eric Jespers Guilherme Leal |
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| Affiliation: | 1. Department Of Mathematics and Statistics , Memorial University of Newfoundland , St.John’s, Newfoundland, A1C5S7, Canada;2. Department of Mathematics , Universidade Federal do Rio de Janerio , Rio de Janerio, RJ, Brazil |
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| Abstract: | Let R be a ring and M a right R-module. The module M is a CS-module or satifies (C1) if every submodule is essential in a direct summand of M. In this note we investigate two generalizations of CS-modules. |
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