A characterization of inner product spaces related to the skew-angular distance

被引：14

作者：

Dehghan, H.

机构：

[1] Institute for Advanced Studies in Basic Sciences, Zanjan

来源：

MATHEMATICAL NOTES | 2013年 / 93卷 / 3-4期

关键词：

triangle inequality; inner product space; angular distance; normed linear space; skew-angular distance; INEQUALITY;

D O I：

10.1134/S0001434613030231

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

A new refinement of the triangle inequality is presented in normed linear spaces. Moreover, a simple characterization of inner product spaces is obtained by using the skew-angular distance.

引用

页码：556 / 560

页数：5

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