Linear maps preserving the higher numerical ranges of tensor product of matrices

2013/02/05 by Fošner, Ajda, Huang, Zejun, Li, Chi-Kwong +2
#15A60 #15A69 #15A86 #47A12 #FOS: Mathematics #Functional Analysis (math.FA)

paper · doi:10.48550/arxiv.1302.1175

Abstract

We study linear maps preserving the higher numerical ranges of tensor product of matrices.

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