研究Birkhoff系统Mei对称性的动力学逆问题的提法和解法.首先列出Birkhoff系统的Mei对称性的确定方程、结构方程以及Mei对称性导致的Mei守恒量.其次,给出Birkhoff系统Mei对称性逆问题的两种提法和相应的解法,并举例说明结果的应用.
The Mei symmetries and inverse problems in dynamics of a Birkhoffian system are studied.First,the determining equation and structure equation of Mei symmetry and the Mei conserved quantity which is led by the Mei symmetry are given;next,two formulations and their corresponding solutions of the inverse problem for Mei symmetry of the Birkhoffian system are established,and two examples are given to illustrate the application of the results.