Sub-Riemannian Geodesics on the 3-D Sphere

被引:12
|
作者
Chang, Der-Chen [1 ]
Markina, Irina [2 ]
Vasil'ev, Alexander [2 ]
机构
[1] Georgetown Univ, Dept Math, Washington, DC 20057 USA
[2] Univ Bergen, Dept Math, N-5008 Bergen, Norway
关键词
Sub-Riemannian geometry; geodesic; Hamiltonian system;
D O I
10.1007/s11785-008-0089-3
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The unit sphere S(3) can be identified with the unitary group SU(2). Under this identification the unit sphere can be considered as a non-commutative Lie group. The commutation relations for the vector fields of the corresponding Lie algebra de. ne a 2-step sub-Riemannian manifold. We study sub-Riemannian geodesics on this sub-Riemannian manifold making use of the Hamiltonian formalism and solving the corresponding Hamiltonian system.
引用
收藏
页码:361 / 377
页数:17
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