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Research articles

On preradicals associated to principal functors of module categories. II

A. I. Kashu

Institute of Mathematics and Computer Science, Academy of Sciences of Moldova, Chişinău, Moldova

Abstract: Continuing part I (see [1]) the classes of modules and preradicals determined by the functor $U\otimes_{S^-}\colon S\text-Mod\to\mathcal Ab$ are studied, the relations between them are established and the conditions of coincidence of some preradicals are shown.

Keywords and phrases: tensor product, preradical, torsion, torsion class, flat module.

MSC: 16D90, 16S90, 16D40

Received: 07.04.2009

Language: English

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