Title: Bishop and Laplacian comparison theorems on 3D contact sub-Riemannian manifolds with symmetry
Authors: A.A. Agrachev, P. Lee
Journal title: Geom. Anal.
Year: 2015
Volume: 25
Pages: 512-535
Abstract:

We prove a Bishop volume comparison theorem and a Laplacian comparison theorem for three dimensional contact subriemannian manifolds with symmetry

ArXiv ID (ENG): 1105.2206