Endomorphism ring
= Endomorphism ring
{wiki}
The endomorphism ring $\operatorname{End}_R(M)$ consists of the $R$-module homomorphisms $M\to M$, with pointwise addition and composition as multiplication.
= Endomorphism ring
{wiki}
The endomorphism ring $\operatorname{End}_R(M)$ consists of the $R$-module homomorphisms $M\to M$, with pointwise addition and composition as multiplication.