J4 ›› 2009, Vol. 47 ›› Issue (05): 951-953.
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XU Xiaowei1,2, MA Jing1
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Abstract:
Let R be a prime ring with a generalized derivationδ and m,n,p∈〖KX,1〗N. Using GPI theory, under the assumption that either 6 is not a common divisor of m and n, or p=1, the authors have proved that [δ(x),δ(y)]=[xm,yn]p for all x,y∈R if and only if δ(x)=x or δ(x)=-x, and m=n=p=1.
Key words: prime ring, generalized derivation, strong commutativity preserving map
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XU Xiao-Wei, MA Jing. A Note on Strong Commutativity Preserving Maps[J].J4, 2009, 47(05): 951-953.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2009/V47/I05/951
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