Weakly dual automorphism invariant and superfluous cotightness
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DOI: 10.1080/00927872.2019.1662915
Abstract: Abstract The aim of the present paper is to introduce and study the dual concepts of weakly automorphism invariant modules and essential tightness. These notions are non-trivial generalizations of both weakly projectivity, dual automorphism invariant… read more here.
Keywords: invariant modules; weakly dual; automorphism invariant; dual automorphism ... See more keywords