Reduced minimal numerical ranges of operators on a Hilbert space

DOI10.1016/S0252-9602(09)60010-2zbMath1199.47026OpenAlexW2001886756MaRDI QIDQ846843

Jianming Lu, Hong-Ke Du, Yue-Qing Wang

Publication date: 12 February 2010

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0252-9602(09)60010-2

zbMATH Keywords

numerical rangemaximal numerical rangereduced minimum numerical range

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12)

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Duality principles for \(F_a \)-frame theory in \(L^2 (\mathbb{R}_+ )\)

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