2 papers
nlin.SI2025
On the behavior of orbits of Vanhaecke system on integral surfaces
Wang Shiwei, M. D. Malykh, L. A. Sevastianov +1
In the 1990s, P. Vanhecke described a Hamiltonian system with two degrees of freedom and a polynomial Hamiltonian integrable in Abelian functions of two variables. This system prov…
math.CA2024
On periodic approximate solutions of ordinary differential equations
Wang Shiwei, Alexander Zorin, Marina Konyaeva +2
The issue of inheriting periodicity of an exact solution of a dynamic system by a difference scheme is considered. It is shown that some difference schemes (midpoint scheme, Kahan…