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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.08370 |
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Table of Contents:
- We present some foundational results about the outer length billiard system, including its generating function and the invariant area form. We describe the limiting behavior of the orbits far away from the billiard table: the orbits of the map lie on the origin-centered circles, and the second iteration of the map is approximated by the flow of a Hamiltonian function whose level curves are these circles. Furthermore, the orbits "at infinity" of the centers of the auxiliary circles involved in the definition of the map lie on the curves that are polar dual to the symmetrization of the billiard table, the curves which are traced by the second iteration of the usual outer billiard map "at infinity".