Existence of isoperimetric regions in contact sub-Riemannian manifolds

被引:24
|
作者
Galli, Matteo [1 ]
Ritore, Manuel [1 ]
机构
[1] Univ Granada, Dept Geometria & Topol, E-18071 Granada, Spain
关键词
Sub-Riemannian geometry; Contact geometry; Isoperimetric regions; Isoperimetric profile; Carnot-Caratheodory distance; FINITE PERIMETER; FINE PROPERTIES; VECTOR-FIELDS; INEQUALITIES; CURVATURE; THEOREMS; SETS;
D O I
10.1016/j.jmaa.2012.08.017
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We prove existence of regions minimizing perimeter under a volume constraint in contact sub-Riemannian manifolds whose quotient by the group of contact transformations preserving the sub-Riemannian metric is compact. (C) 2012 Elsevier Inc. All rights reserved.
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页码:697 / 714
页数:18
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