Nil modules and the envelope of a submodule

David Ssevviiri, Annet Kyomuhangi

Let $R$ be a commutative unital ring and $N$ be a submodule of an $R$-module $M$. The submodule $⟨E_M(N)⟩$ generated by the envelope $E_M(N)$ of $N$ is instrumental in…