English

Yet another characterization of Birkhoff Billiards inside discs

Dynamical Systems 2026-03-20 v2

Abstract

In this short paper, we show a characterization of Birkhoff Billiards inside discs which is related to the expansion of the formal Lazutkin conjugacy at the boundary.

Keywords

Cite

@article{arxiv.2603.16468,
  title  = {Yet another characterization of Birkhoff Billiards inside discs},
  author = {Klaudiusz Czudek and Jacopo De Simoi and Andrew Gad and Marco Poon},
  journal= {arXiv preprint arXiv:2603.16468},
  year   = {2026}
}

Comments

16 pages, 2 figures

R2 v1 2026-07-01T11:24:07.321Z