@Article{JCM-16-3, author = {}, title = {The Step-Transition Operators for Multi-Step Methods of ODE's}, journal = {Journal of Computational Mathematics}, year = {1998}, volume = {16}, number = {3}, pages = {193--202}, abstract = {
In this paper, we propose a new definition of symplectic multistep methods. This definition differs from the old ones in that it is given via the one step method defined directly on $M$ which is corresponding to the $m$ step scheme defined on $M$ while the old definitions are given out by defining a corresponding one step method on $M\times M \times \cdots \times M=M^m$ with a set of new variables. The new definition gives out a step-transition operator $g: M\longrightarrow M$. Under our new definition, the Leap-frog method is symplectic only for linear Hamiltonian systems. The transition operator $g$ will be constructed via continued fractions and rational approximations.
}, issn = {1991-7139}, doi = {https://doi.org/1998-JCM-9152}, url = {https://global-sci.com/article/85682/the-step-transition-operators-for-multi-step-methods-of-odes} }