Abstract
In this paper, we treat an open problem related to the number of periodic orbits of Hamiltonian diffeomorphisms on closed symplectic manifolds, the so-called (generic) Conley conjecture. The generic Conley conjecture states that generically Hamiltonian diffeomorphisms have infinitely many simple contractible periodic orbits. We prove the generic Conley conjecture for very wide classes of symplectic manifolds. Our proof is based on applications of the Birkhoff–Moser fixed point theorem and Floer homology theory.
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Acknowledgements
This work was carried out during my stay as a research fellow at the National Center for Theoretical Sciences. The author thanks NCTS for a great research atmosphere and a lot of support. He also gratefully acknowledges his teacher Kaoru Ono for continuous supports and Victor L. Ginzburg for checking the draft and giving me comments and advice. He is supported by the Research Fellowships of Japan Society for the Promotion of Science for Young Scientists.
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Sugimoto, Y. On the generic Conley conjecture. Arch. Math. 117, 423–432 (2021). https://doi.org/10.1007/s00013-021-01633-w
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DOI: https://doi.org/10.1007/s00013-021-01633-w