Abstract
This paper deals with Hopf type rigidity for convex billiards on surfaces of constant curvature. I prove that the only convex billiard without conjugate points on the hyperbolic plane or on the hemisphere is a circular billiard.
| Original language | English |
|---|---|
| Pages (from-to) | 3903-3913 |
| Number of pages | 11 |
| Journal | Discrete and Continuous Dynamical Systems- Series A |
| Volume | 33 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2013 |
Keywords
- Billiards
- Birkhoff conjecture
- Conjugate points
- Integrable systems