Ricci Curvature on Alexandrov spaces and Rigidity Theorems

Ricci Curvature on Alexandrov spaces and Rigidity Theorems
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DOI:
10.4310/cag.2010.v18.n3.a4
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发表时间:
2009-12
期刊:
arXiv: Differential Geometry
影响因子:
--
通讯作者:
Hui-Chun Zhang;Xiping Zhu
Hui-Chun Zhang;Xiping Zhu
中科院分区:
其他
文献类型:
--
作者:
Hui-Chun Zhang;Xiping Zhu

文献摘要

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本文在Alexandrov空间上引入了Ricci曲率下界的新概念,并在此Ricci曲率条件下将Cheeger-Gromoll分裂定理和程的最大直径定理推广到Alexandrov空间。
In this paper, we introduce a new notion for lower bounds of Ricci curvature on Alexandrov spaces, and extend Cheeger-Gromoll splitting theorem and Cheng's maximal diameter theorem to Alexandrov spaces under this Ricci curvature condition.