2 citations · 3 across the 2 of their papers we have counts for
2 papers
math.SP2017★ 1 cited
Spectra of anticommutator for two orthogonal projections
Yan-Ni Dou, Hong-Ke Du, Yue-Qing Wang
In this note, for any two orthogonal projection on a Hilbert space, the characterization of spectrum of anticommutator has been obtained. As a corollary, the norm for…
math.FA2015★ 2 cited
Numerical Ranges of the product of Operators
Hongke Du, Chi-Kwong Li, Kuo-Zhong Wang +2
We study containment regions of the numerical range of the product of operators and such that and are line segments. It is shown that the containment region i…