English

On algebraically integrable outer billiards

Dynamical Systems 2007-08-03 v1 Algebraic Geometry

Abstract

We prove that if the outer billiard map around a plane oval is algebraically integrable in a certain non-degenerate sense then the oval is an ellipse.

Keywords

Cite

@article{arxiv.0708.0255,
  title  = {On algebraically integrable outer billiards},
  author = {S. Tabachnikov},
  journal= {arXiv preprint arXiv:0708.0255},
  year   = {2007}
}
R2 v1 2026-06-21T09:04:07.660Z