Sub-Riemannian balls in CR Sasakian manifolds
Differential Geometry
2011-10-07 v1 Metric Geometry
Abstract
We prove global estimates for the sub-Riemannian distance of CR Sasakian manifolds with non negative horizontal Webster-Tanaka Ricci curvature. In particular, in this setting, large sub-Riemannian balls are comparable to Riemannian balls.
Keywords
Cite
@article{arxiv.1110.1109,
title = {Sub-Riemannian balls in CR Sasakian manifolds},
author = {Fabrice Baudoin and Michel Bonnefont},
journal= {arXiv preprint arXiv:1110.1109},
year = {2011}
}