On generalized derivations satisfying certain identities
Authors
E. Albaş
Ege Univ., Izmir, Turkey
Abstract
Let $R$ be a prime ring with char $R \neq 2$ and $d$ be a generalized derivation on $R$. The goal of this study
is to investigate the generalized derivation $d$ satisfying any one of the following identities:
$$(i) \quad d[(x, y)] = [d(x), d(y)] \quad \text{for all} x, y \in R;$$
$$(ii) \quad d[(x, y)] = [d(y), d(x)] \quad \text{for all} x, y \in R;$$
$$(iii)\quad d([x, y]) = [d(x), d(y)] \text{either} d([x, y]) = [d(y), d(x)] \quad \text{for all} x, y \in R$$.