Cuplength estimates in Morse cohomology
The main goal of this paper is to give a unified treatment to many known cuplength estimates with a view towards Floer theory. As the base case, we prove that for C^0-perturbations of a function which is Morse-Bott along a closed submanifold, the number of critical points is bounded below in terms o...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
18 June 2015
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| In: |
Journal of topology and analysis
Year: 2015, Jahrgang: 08, Heft: 02, Pages: 243-272 |
| ISSN: | 1793-7167 |
| DOI: | 10.1142/S1793525316500102 |
| Online-Zugang: | Resolving-System, Volltext: http://dx.doi.org/10.1142/S1793525316500102 Verlag, Volltext: https://www.worldscientific.com/doi/abs/10.1142/S1793525316500102 
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| Verfasserangaben: | Peter Albers and Doris Hein |
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| 520 | |a The main goal of this paper is to give a unified treatment to many known cuplength estimates with a view towards Floer theory. As the base case, we prove that for C^0-perturbations of a function which is Morse-Bott along a closed submanifold, the number of critical points is bounded below in terms of the cuplength of that critical submanifold. As we work with rather general assumptions the proof also applies in a variety of Floer settings. For example, this proves lower bounds (some of which were known) for the number of fixed points of Hamiltonian diffeomorphisms, Hamiltonian chords for Lagrangian submanifolds, translated points of contactomorphisms, and solutions to a Dirac-type equation. | ||
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