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Strong Arnold chord conjecture via normalized capacities

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arxiv 2404.05150 v1 pith:HBXUFTHO submitted 2024-04-08 math.SG

classification math.SG
keywords admitschordeverymathbbmathcalanalogarnoldcapacities
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abstract

We show that every dynamically convex toric domain in $\mathbb R^4$ admits a $C^1$-neighborhood $\mathcal U$ within the space of star-shaped domains of $\mathbb R^4$ with the following property: for any $X \in \mathcal U$, every Legendrian knot in $\partial X$ admits a Reeb chord with distinct endpoints. A higher dimensional analog is also discussed.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lengths of Reeb chords and Viterbo restriction

    math.SG 2026-06 accept novelty 6.5 of 10

    Products of spheres yield n-invertible cotangent bundles, so every compact Legendrian in ST*M has a Reeb chord of length at most the n-invertibility capacity.

  2. Hamiltonian linking and Symplectic packing

    math.SG 2025-07 conditional novelty 6.0 of 10

    Hamiltonian unlinked subsets of a symplectic ball satisfy the spectral capacity packing inequality c(K1) + c(K2) <= a, and violating that inequality forces Hamiltonian linking.

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