On Maps Preserving Zero Jordan Products
On Maps Preserving Zero Jordan Products
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DOI:
10.1007/s00605-005-0371-7
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发表时间:
2006-02
期刊:
影响因子:
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通讯作者:
M. Chebotar;W. Ke;P. Lee;Rui-bin Zhang
中科院分区:
文献类型:
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作者:
M. Chebotar;W. Ke;P. Lee;Rui-bin Zhang
LetRbe a ring,A=Mn(R) and θ:A→Aa surjective additive map preserving zero Jordan products, i.e. ifx,y∈Aare such thatxy+yx= 0, then θ(x)θ(y) + θ(y)θ(x) = 0. In this paper, we show that ifRcontainsandn≥ 4, then θ = λϕ, where λ = θ(1) is a central element ofAand ϕ:A→Ais a Jordan homomorphism.