Critical-radius ordering conjecture for transitive, Gaussian-analytic, and Poisson processes

Let ΠL\Pi_\mathrm{L} be any transitive point process of intensity 11, let ΠGAF\Pi_\mathrm{GAF} be the zero set of a Gaussian analytic function with intensity 11, and let ΠP\Pi_\mathrm{P} be a Poisson point process with intensity 11. For a point process Π\Pi on R2\mathbb{R}^2, let rc(Π)r_\mathrm{c}(\Pi) be the smallest radius for which the union of radius-rr balls centered at the points of Π\Pi contains an infinite component. Critical-radius ordering conjecture.

rc(ΠL)<rc(ΠGAF)<rc(ΠP).r_\mathrm{c}(\Pi_\mathrm{L})<r_\mathrm{c}(\Pi_\mathrm{GAF})<r_\mathrm{c}(\Pi_\mathrm{P}).

This expresses the belief that more organized point processes have smaller critical radii; the source identifies it as an open problem comparing transitive, Gaussian-analytic, and Poisson models.

Sources & referencesView supporting material

Primary source

Itai Benjamini and Alexandre Stauffer, “Perturbing the hexagonal circle packing: a percolation perspective”, arXiv:1104.0762 (2012).

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