A sufficient condition that \(J(X^\ast)=J(X)\) holds for a Banach space \(X\)

DOI10.3836/tjm/1502179259zbMath1408.46019OpenAlexW2781150481MaRDI QIDQ1989650

Ryotaro Tanaka, Naoto Komuro, Kichi-Suke Saito

Publication date: 26 October 2018

Published in: Tokyo Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3836/tjm/1502179259

zbMATH Keywords

isosceles orthogonalityJames constantrotation invariant norm

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20)

Cites Work

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• An inequality between Jordan-von Neumann constant and James constant
• von Neumann-Jordan constant and uniformly non-square Banach spaces
• When does the equality \(J(X^*)=J(X)\) hold for a two-dimensional Banach space \(X\)?
• On James and Jordan–von Neumann constants and the normal structure coefficient of Banach spaces
• Wheeling around von Neumann–Jordan constant in Banach spaces
• On the James and von Neumann-Jordan constants in Banach spaces
• On the class of Banach spaces with James constant 2

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