Submultiplicativity of the numerical radius of commuting matrices of order two

DOI10.1016/j.jmaa.2019.02.066zbMath1425.15020arXiv1901.06759OpenAlexW2963268818WikidataQ128286943 ScholiaQ128286943MaRDI QIDQ2633761

Chi-Kwong Li, Yiu-Tung Poon

Publication date: 10 May 2019

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1901.06759

zbMATH Keywords

numerical radiussubmultiplicativity

Mathematics Subject Classification ID

Commutativity of matrices (15A27) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Miscellaneous inequalities involving matrices (15A45)

Related Items

Faces of sets of operators with the numerical range in a prescribed polyhedron

Cites Work

• Extremality of numerical radii of matrix products
• On the numerical radius of matrices and its application to iterative solution methods
• A simple proof of the elliptical range theorem
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