Pythagorean Theorem  Curvature with Lower or Upper Bound

Xiaole SU; Hongwei SUN; Yusheng WANG

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Pythagorean Theorem Curvature with Lower or Upper Bound

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摘要

In this paper,the authors give a comparison version of Pythagorean theo-rem to judge the lower or upper bound of the curvature of Alexandrov spaces(including Riemannian manifolds).

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《数学年刊B辑（英文版）》 |2022年第1期|95-114|共20页
作者
Xiaole SU; Hongwei SUN; Yusheng WANG;
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作者单位

School of Mathematical Sciences(and Lab.math.Com.Sys.);

Beijing Normal University;

Beijing;

100875;

China;

School of Mathematics Science;

Capital Normal University;

Beijing;

100037;

China;

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原文格式 PDF
正文语种 chi
中图分类黎曼几何;
关键词
Pythagorean theorem; Alexandrov space; Toponogov's theorem;

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Pythagorean Theorem Curvature with Lower or Upper Bound

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