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2024 | OriginalPaper | Chapter

On a Functional Identity Involving Power Values of Generalized Skew Derivations on Lie Ideals

Authors : Luisa Carini, Vincenzo De Filippis

Published in: Advances in Ring Theory and Applications

Publisher: Springer Nature Switzerland

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Abstract

Let R be a prime ring, \(Q_r\) its right Martindale quotient ring and C its extended centroid. Suppose that F is a generalized skew derivation of R, L a non-central Lie ideal of R, \(m,n,s\ge 1\) positive fixed integers. If
$$ F(u)^n\biggl (F(u)^m-u^m\biggr )^s=0 $$
for all \(u\in L\), then there exists \(\lambda \in C\) such that \(F(x)=\lambda x\), for any \(x\in R\), with \(\lambda ^m=1\), unless when \(char(R)=2\) and \(R\subseteq M_2(K)\), the ring of \(2\times 2\) matrices over a field K. We will also provide a generalization of the previous result for semiprime rings.

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Metadata
Title
On a Functional Identity Involving Power Values of Generalized Skew Derivations on Lie Ideals
Authors
Luisa Carini
Vincenzo De Filippis
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-50795-3_18

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