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math.RA2013
Rings and modules which are stable under automorphisms of their injective hulls
Noyan Er, Surjeet Singh, Ashish K. Srivastava
It is proved, among other results, that a prime right nonsingular ring (in particular, a simple ring) is right self-injective if is invariant under automorphisms of its i…
math.RA2012
Rings of Invariant Module Type and Automorphism-Invariant Modules
Surjeet Singh, Ashish K. Srivastava
A module is called automorphism-invariant if it is invariant under any automorphism of its injective hull. In [Algebras for which every indecomposable right module is invariant in…