
The author describes in a common language two generalizations of extending modules studied by \textit{P. F. Smith, D. V. Huynh} and \textit{N. V. Dung} [in Q. J. Math., Oxf. II. Ser. 41, No. 162, 225-235 (1990; Zbl 0712.16016)] and by \textit{J. Clark} [in Abelian groups and modules. Proc. int. conf. Dublin, 1998. Basel: Birkhäuser. Trends in Mathematics. 353-358 (1999; Zbl 0942.16007)]. Using this language, some results concerning rational extensions, covers, extending modules and dense submodules are generalized.
generalizations of extending modules, precovers, Injective modules, self-injective associative rings, Free, projective, and flat modules and ideals in associative algebras, natural classes, closed submodules, Other classes of modules and ideals in associative algebras, proper classes, covers
generalizations of extending modules, precovers, Injective modules, self-injective associative rings, Free, projective, and flat modules and ideals in associative algebras, natural classes, closed submodules, Other classes of modules and ideals in associative algebras, proper classes, covers
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