Homoclinic Bifurcations for the Henon Map

Abstract

Chaotic dynamics can be effectively studied by continuation from an anti-integrable limit. We use this limit to assign global symbols to orbits and use continuation from the limit to study their bifurcations. We find a bound on the parameter range for which the Henon map exhibits a complete binary horseshoe as well as a subshift of finite type. We classify homoclinic bifurcations, and study those for the area preserving case in detail. Simple forcing relations between homoclinic orbits are established. We show that a symmetry of the map gives rise to constraints on certain sequences of homoclinic bifurcations. Our numerical studies also identify the bifurcations that bound intervals on which the topological entropy is apparently constant.

To appear in PhysicaD: 43 Pages, 14 figures

References in corpus (4)

• Average exit times in volume preserving maps
• Generic Twistless Bifurcations
• Homoclinic Bifurcations for the Henon Map
• Computing periodic orbits using the anti-integrable limit

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