Abstract
We prove a variant of the Chance–McDuff conjecture for pseudo-rotations: under certain additional conditions, a closed symplectic manifold which admits a Hamiltonian pseudo-rotation must have deformed quantum product and, in particular, some non-zero Gromov–Witten invariants. The only assumptions on the manifold are that it is weakly monotone and that its minimal Chern number is at least two. The conditions on the pseudo-rotation are expressed in terms of the linearized flow at one of the fixed points and are hypothetically satisfied for most (but not all) pseudo-rotations.
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The work is partially supported by NSF CAREER award DMS-1454342, NSF Grant DMS-1440140 through MSRI (BG) and by Simons Collaboration Grant 581382 (VG).
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Çineli, E., Ginzburg, V.L. & Gürel, B.Z. Pseudo-rotations and holomorphic curves. Sel. Math. New Ser. 26, 78 (2020). https://doi.org/10.1007/s00029-020-00609-y
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DOI: https://doi.org/10.1007/s00029-020-00609-y
Keywords
- Pseudo-rotations
- Periodic orbits
- Hamiltonian diffeomorphisms
- Floer homology
- Quantum product
- Gromov–Witten invariants