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.
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页码：556 / 560
页数：5
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