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Preradicals and injectivity. (English) Zbl 0305.16018


MSC:

16D70 Structure and classification for modules, bimodules and ideals (except as in 16Gxx), direct sum decomposition and cancellation in associative algebras)
16D50 Injective modules, self-injective associative rings
16Exx Homological methods in associative algebras
18E40 Torsion theories, radicals
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