Local systolic-diastolic inequality for odd-symplectic forms

Let Σ\Sigma be the underlying manifold, let CHdR2(Σ)C\in H^2_{\mathrm{dR}}(\Sigma), and let Ω\Omega_* be a Zoll odd-symplectic form with cohomology class CC. For forms ΩSC(Σ)\Omega\in\mathcal S_C(\Sigma) sufficiently close to Ω\Omega_*, let Amin(Ω)\mathcal A_{\min}(\Omega) and Amax(Ω)\mathcal A_{\max}(\Omega) denote the minimum and maximum of the action over the relevant periodic characteristics, and let PP be the polynomial associated with Ω\Omega_*. Local systolic-diastolic inequality. There is a Ck1C^{k-1}-neighbourhood U\mathcal U of Ω\Omega_* in SC(Σ)\mathcal S_C(\Sigma), with k2k\geq 2, such that

P(Amin(Ω))Vol(Ω)P(Amax(Ω)),ΩU.P(\mathcal A_{\min}(\Omega))\leq{\mathfrak{Vol}}(\Omega)\leq P(\mathcal A_{\max}(\Omega)),\qquad \forall\,\Omega\in\mathcal U.

Equality in either inequality holds if and only if Ω\Omega is Zoll. This is a local systolic-diastolic inequality near a Zoll odd-symplectic form; the supplied text does not state whether the conjecture has been proved or disproved.

Sources & referencesView supporting material

Primary source

Gabriele Benedetti and Jungsoo Kang, “On a local systolic inequality for odd-symplectic forms”, arXiv:1902.01261 (2019).

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