S-spectrum and numerical range of a quaternionic operator

DOI10.1016/j.jmaa.2022.126834OpenAlexW4308464925MaRDI QIDQ2102119

Luís Carvalho, Sérgio Mendes, Cristina Diogo

Publication date: 28 November 2022

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2210.05535

zbMATH Keywords

numerical rangequaternions

Mathematics Subject Classification ID

General theory of linear operators (47Axx)

Cites Work

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• Weyl-von Neumann-Berg theorem for quaternionic operators
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• A short proof of a theorem on the numerical range of a normal quaternionic matrix
• Quaternionic Closed Operators, Fractional Powers and Fractional Diffusion Processes
• On the numerical range of a matrix
• Quaternions and matrices of quaternions

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