Between the von Neumann inequality and the Crouzeix conjecture

DOI10.1016/j.laa.2020.07.002OpenAlexW3043056175WikidataQ122965867 ScholiaQ122965867MaRDI QIDQ2197272

Paweł Pietrzycki, Patryk Pagacz, Michał Wojtylak

Publication date: 31 August 2020

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

Full work available at URL: https://arxiv.org/abs/1907.06228

zbMATH Keywords

numerical rangeCrouzeix conjecture\( \rho \)-dilation

Mathematics Subject Classification ID

Linear operator inequalities (47A63) Numerical range, numerical radius (47A12) Spectral sets of linear operators (47A25)

Cites Work

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