Small-time percolation conjecture for perturbed hexagonal packing

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Let Π0\Pi_0 be the hexagonal circle-packing point process, let Πt\Pi_t be obtained by moving its nodes independently according to Brownian motion for time tt, and let R(Πt)R(\Pi_t) be the union of balls of radius 1/21/2 centered at the nodes of Πt\Pi_t. Small-time percolation conjecture. There exists t0>0t_0>0 such that, for all t<t0t<t_0, R(Πt)R(\Pi_t) contains an infinite component almost surely. This predicts that sufficiently small Brownian perturbations of the critical hexagonal packing retain percolation; the source presents it as an open problem.

References

Primary source

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

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