In this paper, we prove that on any closed symplectic manifold there exists an arbitrarily C∞-small Hamiltonian diffeomorphism not admitting a square root.
Details about the publication
Journal: Journal of Symplectic Geometry (J. Symplectic Geom.)
Volume: 12
Issue: 3
Page range: 427-434
Status: Published
Release year: 2014
Language in which the publication is written: English