sympletic相关论文
以符合哈密顿(Hamiltonian)特性的管道振动方程的简化问题给出了一种具体的计算方法。为了保持原方程哈密顿结构,这种简化过程中使用......
The Birkhoff systems are the generalization of the Hamiltonian systems.Generalized canonical transformations are studied......