A four-mean theorem and its application to pseudospectra

DOI10.1007/s11117-022-00928-8zbMath1494.26062arXiv2109.14472OpenAlexW3203715069WikidataQ113900610 ScholiaQ113900610MaRDI QIDQ2163357

Nathan Walsh, Thomas Ransford

Publication date: 10 August 2022

Published in: Positivity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2109.14472

zbMATH Keywords

arithmetic meangeometric meanpseudospectrumsingular valueharmonic mean

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Inequalities for sums, series and integrals (26D15) Calculus of functions taking values in infinite-dimensional spaces (26E20)

Cites Work

• Unnamed Item
• Identical pseudospectra of any geometric multiplicity
• Pseudospectra and matrix behaviour
• Super-identical pseudospectra

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