研究了非自治广义Birkhoff方程的代数结构,证明非自治广义Birkhoff方程具有相容代数结构和Lie容许代数结构;建立了非自治广义Birkhoff系统的Poisson理论,包括建立系统的Poisson条件,证明了在一定条件下可由已知第一积分得到新的第一积分;讨论了与非自治广义Birkhoff系统的Poisson方法相关的动力学逆问题.结果具有普遍性,非自治Birkhoff系统的情况是该结果的特殊情况.文末举例说明了结果的应用.
The algebraic structure of a non-autonomous generalized Birkhoffian system is studied. The results show that a non-autonomous generalized Birkhoffian system has a consistent algebraic structure and a Lie-admissible algebraic structure. The Poisson theory of a non-autonomous generalized Birkhoffian system is established, which includes the establishment of Poisson conditions, and the proposition that under certain conditions a new first integral can be obtained by a known first integral. An inverse problem of dynamics which corresponds to the generalized Poisson method of the non-autonomous generalized Birkhoffian system is studied. The results of this paper are of universal sense, and the circumstance of a non-autonomous Birkhoff system is its special case. Three examples are given to illustrate the application of the results.