A note on the g-angle between subspaces of a normed space

被引：0
|
作者：
Muhammad Nur
Hendra Gunawan
机构：
[1] Hasanuddin University,Department of Mathematics, Faculty of Mathematics and Natural Sciences
[2] Bandung Institute of Technology,Analysis and Geometry Group, Faculty of Mathematics and Natural Sciences
来源：
Aequationes mathematicae | 2021年 / 95卷
关键词：
2-Norms; -Angles; Subspaces; Normed spaces; 15A03; 46B20; 51N15;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We introduce a new 2-norm on a normed space using a semi-inner product g on the space. Using this 2-norm, we propose a formula for the g-angle between 2-dimensional subspaces in the space. Our formula serves as a revision of the one proposed by Nur et al. (Beitr. Algebra Geom. 59(1):133–143, 2018).
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页码：309 / 318
页数：9
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