On skew-commuting mappings in semiprime rings (Q2836152)

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scientific article; zbMATH DE number 6662101
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On skew-commuting mappings in semiprime rings
scientific article; zbMATH DE number 6662101

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    On skew-commuting mappings in semiprime rings (English)
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    7 December 2016
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    functional identities
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    semiprime ring
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    additive map
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    Let \(R\) be a semiprime ring and let \(f\:R\to R\) be an additive map satisfying \(f(x)x^n + x^nf(x)=0\) for all \(x\in R\) and some fixed positive integer \(n\). Using results on functional identities it is proved that \(f=0\), provided that \(R\) is \(n!\)-torsion free.
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