Numerical ranges of the product of operators

DOI10.7153/oam-11-12OpenAlexW2586492767MaRDI QIDQ5346611

Kuo-Zhong Wang, Chi-Kwong Li, Ning Zuo, Hong-Ke Du, Yue-Qing Wang

Publication date: 26 May 2017

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1510.01672

zbMATH Keywords

numerical rangeproduct of matrices and operators

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

Related Items (2)

Product of two positive contractions ⋮ Positive block matrices and numerical ranges

Cites Work

• A characterization of maximum norms of commutators of positive contractions
• The numerical range and the spectrum of a product of two orthogonal projections
• On polynomials in two projections

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