A Comparison Between James and von Neumann–Jordan Constants

In this paper, we compare James and von Neumann–Jordan constants of normed spaces under certain conditions. It is shown that if a normed space with James constant 2 is three- or more dimensional, or is a π / 2 -rotation-invariant two-dimensional space, then its von Neumann–Jordan constant is less th...

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Veröffentlicht in:	Mediterranean journal of mathematics 2017-08, Vol.14 (4), p.1-13, Article 168
Hauptverfasser:	Komuro, Naoto, Mitani, Ken-Ichi, Saito, Kichi-Suke, Tanaka, Ryotaro, Tomizawa, Yukino
Format:	Artikel
Sprache:	eng
Schlagworte:	Economic models Expected utility Mathematics Mathematics and Statistics
Online-Zugang:	Volltext
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