Modules close to the automorphism-invariant and coinvariant where some well-known results on essentially injective
modules,
automorphism-(co)invariant
modules Modules which are invariant under nilpotents of their envelopes and covers(M/Z(M)) > 1 is nilpotent-invariant iff it is injective. We also study nilpotent-
coinvariant modules Dual automorphism-invariant modules over perfect rings© 2017, Pleiades Publishing, Ltd. Under study are the dual
automorphism-invariant
modules On (weakly) co-Hopfian automorphism-invariant modules© 2020, © 2020 Taylor & Francis Group, LLC. A
module M over a ring R is called
automorphism Dual automorphism-invariant modules over perfect rings© 2017, Pleiades Publishing, Ltd. Under study are the dual
automorphism-invariant
modules Rings Whose Every Right Ideal is a Finite Direct Sum of Automorphism-Invariant Right Ideals sum of
automorphism-invariant right R-
modules. These rings are called right Σ-a-rings. We find a
Rings all of whose finitely generated ideals are automorphism-invariantRings in which each finitely generated right ideal is
automorphism-invariant (rightfa
Modules close to SSP- and SIP-modulesIn this paper, we investigate some properties of SIP, SSP and CS-Rickart
modules. We give