Counterexample to a conjecture of Elsner on the spectral variation of matrices

DOI10.1016/S0024-3795(01)00605-XzbMath1005.15010WikidataQ123366491 ScholiaQ123366491MaRDI QIDQ1611865

Thomas Ransford, Yves Langlois

Publication date: 28 August 2002

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

zbMATH Keywords

counterexampleoperator normHausdorff distancespectral variation

Mathematics Subject Classification ID

Inequalities involving eigenvalues and eigenvectors (15A42)

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Cites Work

• Mathematische Miszellen XXVII. Über die Stetigkeit von charakteristischen Wurzeln in Abhängigkeit von den Matrizenelementen
• An optimal bound for the spectral variation of two matrices
• Estimates for the spectrum near algebraic elements