MORE NONLOCAL SYMMETRIES OF THE KDV EQUATION

被引：26
|
作者：
GUTHRIE, GA
机构：
[1] Dept. of Math. and Stat., Canterbury Univ., Christchurch
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1993年 / 26卷 / 18期
关键词：
D O I：
10.1088/0305-4470/26/18/004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The inverse of the usual recursion operator for the Korteweg-de Vries equation is applied to the Galilean symmetry. A new family of non-local symmetries results. A symmetry algebra isomorphic to the semidirect sum of the loop algebra over sl((2,R) and a subalgebra of the Virasoro algebra is found.
引用
收藏
页码：L905 / L908
页数：4
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