English

Convex bodies with all characteristics planar

Symplectic Geometry 2023-05-09 v3 Metric Geometry

Abstract

We show that smooth and strongly convex bodies in the symplectic R2n\mathbb R^{2n} for n>1n>1 with all characteristics planar, or all outer billiard trajectories planar are affine symplectic images of balls.

Keywords

Cite

@article{arxiv.2209.06325,
  title  = {Convex bodies with all characteristics planar},
  author = {Roman Karasev and Anastasiia Sharipova},
  journal= {arXiv preprint arXiv:2209.06325},
  year   = {2023}
}

Comments

11 pages

R2 v1 2026-06-28T01:14:59.967Z