English

Birkhoff billiards are insecure

Differential Geometry 2007-05-24 v1 Dynamical Systems

Abstract

We prove that every compact plane billiard, bounded by a smooth curve, is insecure: there exist pairs of points A,BA,B such that no finite set of points can block all billiard trajectories from AA to BB.

Keywords

Cite

@article{arxiv.0705.3273,
  title  = {Birkhoff billiards are insecure},
  author = {Serge Tabachnikov},
  journal= {arXiv preprint arXiv:0705.3273},
  year   = {2007}
}
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