Abstract
Extending the notion of von Neumann regular elements in a ring R, a homomorphism f:A→M between R-modules is said to be regular if there exists some g:M → A such that fgf = f. In this paper we report about the use of this term in module theory.
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Kasch, F. Regular Substructures of Hom. Appl Categor Struct 16, 159–166 (2008). https://doi.org/10.1007/s10485-007-9068-5
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DOI: https://doi.org/10.1007/s10485-007-9068-5