86 citations · 113 across the 6 of their papers we have counts for
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math.FA2016
Unitary similarity invariant function preservers of skew products of operators
Jianlian Cui, Chi-Kwong Li, Nung-Sing Sze
Let denote the Banach algebra of all bounded linear operators on a complex Hilbert space with , and let and be subsets…
math.FA2015★ 3 cited
Product of positive semi-definite matrices
Jianlian Cui, Chi-Kwong Li, Nung-Sing Sze
It is known that every complex square matrix with nonnegative determinant is the product of positive semi-definite matrices. There are characterizations of matrices that require tw…
math.FA2014
Preservers of Unitary Similarity Functions on Lie Products of Matrices
Jianlian Cui, Chi-Kwong Li, Yiu-Tung Poon
Denote by the set of complex matrices. Let be a continuous map such that for any complex unit , a…