%0 Journal Article %D 2011 %T Bishop and Laplacian Comparison Theorems on Three Dimensional Contact Subriemannian Manifolds with Symmetry %A Andrei A. Agrachev %A Paul Lee %X We prove a Bishop volume comparison theorem and a Laplacian comparison\r\ntheorem for three dimensional contact subriemannian manifolds with symmetry. %I SISSA %G en %U http://hdl.handle.net/1963/6508 %1 6455 %2 Mathematics %4 1 %$ Submitted by Andrei Agrachev (agrachev@sissa.it) on 2013-02-27T15:12:11Z\nNo. of bitstreams: 1\n1105.2206v1.pdf: 252509 bytes, checksum: c5f4299fedd5f685c7b283c5a4ea995d (MD5)