λ-symmetries and Jacobi last multiplier

被引:9
作者
Nucci, M. C. [1 ,2 ]
Levi, D. [3 ,4 ]
机构
[1] Univ Perugia, Dipartimento Matemat & Informat, I-06123 Perugia, Italy
[2] INFN, Sez Perugia, I-06123 Perugia, Italy
[3] Univ Roma Tre, Dipartimento Ingn Elettron, I-00146 Rome, Italy
[4] INFN, Sez Roma TRE, I-00146 Rome, Italy
关键词
Ordinary differential equations; Lie group analysis; LIE SYMMETRIES; REDUCTION; KEPLER;
D O I
10.1016/j.nonrwa.2012.09.001
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We show that lambda-symmetries can be algorithmically obtained by using the Jacobi last multiplier. Several examples are provided. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1092 / 1101
页数:10
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