Radius of locally convex subsets in Alexandrov spaces with curvature ⩾ 1 and radius > π/2

被引：0

作者：

Yusheng Wang

Zhongyang Sun

机构：

[1] Beijing Normal University,School of Mathematical Sciences (and the Key Laboratory on Mathematics and Complex System)

[2] Zhejiang University,Center of Mathematical Sciences

来源：

Frontiers of Mathematics in China | 2014年 / 9卷

关键词：

Alexandrov space; convex subset; radius; 53C20; 53C35;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Let X be a complete Alexandrov space with curvature ⩾ 1 and radius > π/2. We prove that any connected, complete, and locally convex subset without boundary in X also has the radius > π/2.

引用

页码：417 / 423

页数：6

共 9 条

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