Noether Symmetry of Three-Order Lagrangian Equations  

作　　者：MA Shan-Jun YANG Xue-Hui YANG Rong 

机构地区：College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330027, China

出　　处：《Communications in Theoretical Physics》2006年第2X期309-312,共4页理论物理通讯（英文版）

摘　　要：Based on the three-order Lagrangian equation, pseudo-Hamilton actoon I^＊ is defined and the three-order Hamilton＇s principle and the conditions are obtained in the paper. Then, the Noether symmetry about three-order Lagrangian equations is deduced. Finally, an example is given to illustrate the application of the result.

关 键 词：three-order Lagrangian equation Hamilton＇s principle Noether symmetry 

分 类 号：O41[理学—理论物理]