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5. Lie Symmetry and Conserved Quantity of Three-Order Lagrangian Equations for Non-conserved Mechanical

Lie Symmetry and Conserved Quantity of Three-Order Lagrangian Equations for Non-conserved Mechanical

来源 :理论物理通讯（英文版） | 被引量 : 0次 | 上传用户：QiuWK

【摘 要】

：

Based on the infinitesimal and one parameter transformation, the problem of Lie symmetry of three-order Lagrangian equations has been studied. Under Lie transfo

【作 者】

：

MA Shan-Jun YANG Xue-Hui YAN R 

【机 构】

：

College of Physics and Communication Electronics

【出 处】

：

理论物理通讯（英文版）

【发表日期】

：

2004年期

【关键词】

：

three-order Lagrangian equation Lie symmetry conserved quantity 

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论文部分内容阅读

Based on the infinitesimal and one parameter transformation, the problem of Lie symmetry of three-order Lagrangian equations has been studied. Under Lie transformation, the sufficient and necessary condition which keeps three-order Lagrangian equations to be unchanged and the invariant are obtained in this paper.

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