When R is a testing module for projectivity
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DOI: 10.1016/j.jalgebra.2017.04.010
Abstract: Abstract A right R-module is called R-projective if it is projective relative to the right R-module R R . A ring R is called right testing for projectivity if every right R-projective module is projective.… read more here.
Keywords: testing module; module projectivity; module; right testing ... See more keywords