Let (A,+) be an Abelian group. Consider the ring E=End(A,A) of endomorphisms on the set A, with binary operations +, and *, where (f+g)(x)=f(x) + g(x), and (f*g)=f∘g.(adsbygoogle = window.adsbygoogle || []).push({});

I have tried to find zero divisors in this ring, but I just couldn't come up with an example.

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# I Zero divisors of an endomorphism ring

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