国际标准期刊号: 1736-4337
Ferreira BLM and Ferreira RN
Let D be a mapping from an alternative ring into itself satisfying D(a⋅ba)= D(a)⋅ba+a⋅D(b)a+a⋅bD(a) for all a, b . Under some conditions on , we show that D is additive.
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