zbMath1059.47005MaRDI QIDQ1429072
Santiago López de Medrano, Vinicio Gómez Gutiérrez
Publication date: 30 March 2004 Published in: Boletín de la Sociedad Matemática Mexicana. Third Series (Search for Journal in Brave)
zbMATH Keywords
numerical rangeconvexityToeplitz--Hausdorff theorem
Mathematics Subject Classification ID
Numerical range, numerical radius (47A12)
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