Jordan all-derivable points in the algebra of all upper triangular matrices
Jordan all-derivable points in the algebra of all upper triangular matrices
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DOI:
10.1016/j.laa.2010.07.006
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
Shan Zhao;Jun Zhu
中科院分区:
文献类型:
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作者:
Shan Zhao;Jun Zhu
Let TMnbe the algebra of all n×n upper triangular matrices. We say that φ∈L(TMn) is a Jordan derivable mapping at G if φ(ST+TS)=φ(S)T+Sφ(T)+φ(T)S+Tφ(S) for any S,T∈TMnwith ST=G. An element G∈TMnis called a Jordan all-derivable point of TMnif every Jordan derivable linear mapping φ at G is a derivation. In this paper, we show that every element in TMnis a Jordan all-derivable point.