48 citations · 580 across the 51 of their papers we have counts for
3 papers · 2 filters
Pseudorotations of the 2-disc and Reeb flows on the 3-sphere
Peter Albers, Hansjörg Geiges, Kai Zehmisch
We use Lerman's contact cut construction to find a sufficient condition for Hamiltonian diffeomorphisms of compact surfaces to embed into a closed 3-manifold as Poincaré return map…
An iterated graph construction and periodic orbits of Hamiltonian delay equations
Peter Albers, Urs Frauenfelder, Felix Schlenk
According to the Arnold conjectures and Floer's proofs, there are non-trivial lower bounds for the number of periodic solutions of Hamiltonian differential equations on a closed sy…
Hamiltonian delay equations -- examples and a lower bound for the number of periodic solutions
Peter Albers, Urs Frauenfelder, Felix Schlenk
We describe a variational approach to a notion of Hamiltonian delay equations. Our delay Hamiltonians are of product form. We consider several examples. For closed symplectically a…