ON THE JAMES AND VON NEUMANN-JORDAN CONSTANTS IN BANACH SPACES

被引：0

作者：

Wang, Fenghui ^{[1
]}

机构：

[1] Luoyang Normal Univ, Dept Math, Luoyang 471022, Peoples R China

来源：

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY | 2010年 / 138卷 / 02期

关键词：

Modulus of convexity; James constant; Neumann-Jordan constant; UNIFORM NORMAL STRUCTURE; NEUMANN; JORDAN; VON CONSTANTS; SEMICIRCLE;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Recently Alonso, Martin and Papini conjectured that the value of the von Neumann-Jordan constant is less than or equal to that of the James constant. This paper presents an affirmative answer to such a conjecture. Moreover, we obtain a sharp estimate for the von Neumann-Jordan constant.

引用

页码：695 / 701

页数：7

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