Reeb dynamics detects odd balls [article]

Hansjörg Geiges, Kai Zehmisch
2014 arXiv   pre-print
We give a dynamical characterisation of odd-dimensional balls within the class of all contact manifolds whose boundary is a standard even-dimensional sphere. The characterisation is in terms of the non-existence of short periodic Reeb orbits.
arXiv:1401.3598v1 fatcat:uaynlwr5dbbfflnaj4f6dxi7ru