Abstract
The elliptical billiard problem defines a two-dimensional integrable discrete dynamical system. Integrability not being a robust property, we study some static and time-dependent perturbations of this problem. For the static case, we observe the transition from integrability to chaos, on some perturbations of the ellipse. Then we study time-dependent perturbations, supposing that the boundary deforms periodically with the time, remaining always an ellipse. We investigate numerically the now four-dimensional phase space, looking mainly at the question of whether or not the velocity of a given trajectory may increase indefinitely.
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Koiller, J., Markarian, R., Oliffson Kamphorst, S. et al. Static and time-dependent perturbations of the classical elliptical billiard. J Stat Phys 83, 127–143 (1996). https://doi.org/10.1007/BF02183642
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DOI: https://doi.org/10.1007/BF02183642