Null Curve Evolution in Four-Dimensional Pseudo-Euclidean Spaces

被引:1
作者
del Amor, Jose [1 ]
Gimenez, Angel [2 ]
Lucas, Pascual [1 ]
机构
[1] Univ Murcia, Dept Matemat, Campus Espinardo, E-30100 Murcia, Spain
[2] Univ Miguel Hernandez Elche, Ctr Invest Operat, Ave Univ S-N, Alicante 03202, Spain
关键词
LIE-ALGEBRA STRUCTURE; INTEGRABLE SYSTEMS; EQUATIONS; CLASSIFICATION; PARTICLES; GEOMETRY;
D O I
10.1155/2016/5725234
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We define a Lie bracket on a certain set of local vector fields along a null curve in a 4-dimensional semi-Riemannian space form. This Lie bracket will be employed to study integrability properties of evolution equations for null curves in a pseudo-Euclidean space. In particular, a geometric recursion operator generating infinitely many local symmetries for the null localized induction equation is provided.
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页数:15
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