Relative Lyapunov Center Bifurcations

Claudia Wulff, Frank Schilder

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Relative equilibria (REs) and relative periodic orbits (RPOs) are ubiquitous in symmetric Hamiltonian systems and occur, for example, in celestial mechanics, molecular dynamics, and rigid body motion. REs are equilibria, and RPOs are periodic orbits of the symmetry reduced system. Relative Lyapunov center bifurcations are bifurcations of RPOs from REs corresponding to Lyapunov center bifurcations of the symmetry reduced dynamics. In this paper we first prove a relative Lyapunov center theorem by combining recent results on the persistence of RPOs in Hamiltonian systems with a symmetric Lyapunov center theorem of Montaldi, Roberts, and Stewart. We then develop numerical methods for the detection of relative Lyapunov center bifurcations along branches of RPOs and for their computation. We apply our methods to Lagrangian REs of the N-body problem.
Original languageEnglish
JournalS I A M Journal on Applied Dynamical Systems
Volume13
Issue number2
Pages (from-to)722–757
ISSN1536-0040
DOIs
Publication statusPublished - 2014

Keywords

  • symmetric Hamiltonian systems
  • Relative periodic orbits
  • Lyapunov center bifurcation
  • Numerical bifurcation analysis

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