A note on flatness of non separable tangent cone at a barycenter

被引:2
|
作者
Le Gouic, Thibaut [1 ,2 ]
机构
[1] MIT, Dept Math, Cambridge, MA 02139 USA
[2] Aix Marseille Univ, I2M, Cent Marseille, UMR 7373,CNRS, F-13453 Marseille, France
关键词
ALEXANDROV SPACES;
D O I
10.5802/crmath.66
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Given a probability measure P on an Alexandrov space S with curvature bounded below, we prove that the support of the pushforward of P on the tangent cone T-b* S at its (exponential) barycenter b* is a subset of a Hilbert space. without separability oldie tangent cone.
引用
收藏
页码:489 / 495
页数:7
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