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研究第一积分、Hojman方法及Birkhoff方程之间的内在联系. Hojman方法构造的Birkhoff函数(组)满足的一个特定关系, 对此关系加以分析得到更为一般的广义Hojman方法. 再将此关系与Birkhoff方程相结合, 导出Birkhoff系统Hojman意义下的循环积分. 举例说明结论的应用.
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关键词:
- Birkhoff系统/
- Hojman方法/
- 广义Hojman方法/
- 循环积分
We have investigated the internal relation among the first integral, Hojman's method and Birkhoff's equations. There is a special equivalent relationship between Birkhoffian and Birkhoffian functions constructed by Hojman's method, and from this we can derive a more general form of Hojman's method. Then, combining the special equivalent relationship and Birkhoff's equations, we can derive the cyclic integral in Birkhoffian sense. An example is given to illustrate the application of the results.-
Keywords:
- Birkhoffian systems/
- Hojman'/
- s method/
- General Hojman'
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