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On near-critical and dynamical percolation in the tree case. (English) Zbl 0945.60093

Let \(G\) be a symmetric tree with root \(\rho\), let \(\theta(p)\) be the probability that the root is in an infinite open cluster and denote by \(p_c\) the critical percolation probability. If \(\theta(p_c)=0\), the root \(\rho\) may still percolate in the corresponding dynamical percolation process at \(p_c\). A necessary and sufficient condition for percolation is given in terms of the function \(\theta\).

MSC:

60K35 Interacting random processes; statistical mechanics type models; percolation theory
82C43 Time-dependent percolation in statistical mechanics

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