Mathematics – Logic
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996cemda..64..185s&link_type=abstract
Celestial Mechanics & Dynamical Astronomy, Volume 64, Issue 3, pp.185-195
Mathematics
Logic
1
Symplectic Integration Method, Mapping Approach, Numerical Stability, Topological Structure
Scientific paper
The global validity of the symplectic integration method or mapping approach is discussed in this paper. The results show that in the regions of phase space where symplectic integration schemes and the Hamiltonian system possess the same topology, they are effective; but in the regions where the schemes possess some other fixed points than those of the Hamiltonian system, their topologies are different from that of the actual system, thus the symplectic integration method or mapping approach is not effective globally.
Sun Yi-Sui
Zhou Ji-Lin
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