On the convexity of the quaternionic essential numerical range

DOI10.1017/s0013091524000336MaRDI QIDQ6622905

Cristina Diogo, Luís Carvalho, Sérgio Mendes, Helena Soares

Publication date: 23 October 2024

Published in: Proceedings of the Edinburgh Mathematical Society. Series II (Search for Journal in Brave)

zbMATH Keywords

numerical rangeessential numerical rangequaternions

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Quaternionic operator theory (47S05)

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