Commuting maps on lie ideals

Commuting maps on lie ideals
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DOI:
10.1080/00927879508825551
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发表时间:
1995
影响因子:
0.7
通讯作者:
M. Brešar;C. Miers
M. Brešar;C. Miers
中科院分区:
数学3区
文献类型:
--
作者:
M. Brešar;C. Miers

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设R是环,A是R的子集.一个映射f:A→ R在A上交换,如果对所有xeA [f(x),x]= 0,其中[x,y] = xy-yx.设R是特征为n = 2的素环,其扩张质心为C.若L是R的非交换Lie理想,f:L→R是可加交换映射,则存在λ eC和可加映射∈:L→ C使得对所有veL,f(v)= λ(v)=λv+∈((v).
Let R be a ring and let A be a subset of R. A map f : A→ R is commuting on A if [f(x),x]= 0 for all xeA where [x,y] = xy — yx. Suppose that R is a prime ring of characteristic ≠2 with extended centroid C. If L is a noncommutative Lie ideal of R and f:L→R an additive commuting map, then there is λe C and an additive map ∈: L→ C such that f(v) = λ(v)=λv+∈((v) for all veL.