1995 Volume 64 Issue 10 Pages 3589-3592
The bifurcation process of periodic orbits of the Hénon-Heiles Hamiltonian system is investigated by calculating residues. Threefold symmetry of the system induces bifurcations with triple branches, to which the generic bifurcation scheme proposed by Meyer can not be applied. Normal form analysis gives results consistent with numerically observed bifurcations.
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