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Additivity of Reverse Derivable Maps
Published 26 Nov 2018 in math.RA | (1811.10358v3)
Abstract: Let $R$ be any ring containing a non-tivial idempotent element $e$. Let $\Im: R\rightarrow R$ be a mapping such that $\Im(ab)=\Im(b)a+b\Im(a)$ for all $a,b\in R$. In this note, our aim is to show that under some suitable restrictions imposed on $R,$ $\Im$ is additive.
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