Structural Stability and Hyperbolicity Violation in High-Dimensional Dynamical Systems

Details Structural Stability and Hyperbolicity Violation in High-Dimensional Dynamical Systems Structural Stability and Hyperbolicity Violation in High-Dimensional Dynamical Systems

2004-08-05

arxiv.org/abs/nlin/0408011v1

Nonlinear Sciences

Chaotic Dynamics

31 pages, 19 figures

Scientific paper

This report investigates the dynamical stability conjectures of Palis and Smale, and Pugh and Shub from the standpoint of numerical observation and lays the foundation for a stability conjecture. As the dimension of a dissipative dynamical system is increased, it is observed that the number of positive Lyapunov exponents increases monotonically, the Lyapunov exponents tend towards continuous change with respect to parameter variation, the number of observable periodic windows decreases (at least below numerical precision), and a subset of parameter space exists such that topological change is very common with small parameter perturbation. However, this seemingly inevitable topological variation is never catastrophic (the dynamic type is preserved) if the dimension of the system is high enough.

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