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Remarks on the Crouzeix-Palencia proof that the numerical range is a $(1+\sqrt2)$-spectral set - MaRDI portal

Remarks on the Crouzeix-Palencia proof that the numerical range is a $(1+\sqrt2)$-spectral set

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Publication:6290614

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DOI10.1137/17M1143757arXiv1708.08633WikidataQ130173803 ScholiaQ130173803MaRDI QIDQ6290614

Felix L. Schwenninger, Thomas Ransford

Publication date: 29 August 2017

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Spectral sets of linear operators (47A25)

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