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CF-modules over commutative rings

Ahmed Najim; Mohammed Elhassani Charkani — 2018

Commentationes Mathematicae Universitatis Carolinae

Let $R$ be a commutative ring with unit. We give some criterions for determining when a direct sum of two CF-modules over $R$ is a CF-module. When $R$ is local, we characterize the CF-modules over $R$ whose tensor product is a CF-module.

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