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BASIC PRERADICALS AND MAIN INJECTIVE MODULES

机译:基本基本知识和主要注射模块

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摘要

We consider those injective modules that determine every left exact preradical and we call them main injective modules. We construct a main injective module for every ring and we prove some of its properties. In particular we give a characterization, in terms of main injective modules, of rings with a dimension defined by a filtration in the lattice of left exact preradicals. We define also the concept of basic preradical and prove some of its properties. In particular we prove that the class of all basic preradicals is a set, giving a bijective correspondence with the set of all left exact preradicals.
机译:我们考虑那些确定每个左精确先兆的内射模块,并将其称为主要内射模块。我们为每个环构造一个主要的内射模块,并证明其某些性质。特别是,我们根据主要的内射模数给出了环的特征,其环的尺寸由左精确基自由基的晶格中的过滤确定。我们还定义了基本自由基的概念,并证明了它的一些特性。特别地,我们证明所有基本谓词的类都是一个集合,并与所有剩余的确切谓词的集合形成双射对应。

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