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 |