On highly supercritical oriented percolation in two dimensions

23 Apr 2018  ·  Tzioufas Achillefs ·

We consider independent and $m$-dependent two-dimensional oriented site percolation with open-site density close to one started from Bernoulli product measures. We show that the probability of an occupied interval in the former process admits a lower bound which converges exponentially fast in time to the probability that the interval percolates... To this end, we derive sharp exponential bounds regarding the density of thinnings of the infinite cluster in this process started from the origin. Our approach offers a unified manner for deriving improvements to certain asymptotics invoked as auxiliary statements in studies of particle systems via renormalization group techniques. read more

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