The possible shapes of numerical ranges

DOI10.7153/oam-06-41zbMath1270.15014arXiv1104.4587OpenAlexW2962984804MaRDI QIDQ2914877

J. William Helton, Ilya M. Spitkovskij

Publication date: 21 September 2012

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

Full work available at URL: https://arxiv.org/abs/1104.4587

zbMATH Keywords

linear matrix inequalitiesnumerical rangesymmetric matrix

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Hermitian, skew-Hermitian, and related matrices (15B57) Miscellaneous inequalities involving matrices (15A45)

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