Competition conjecture on the long-range percolation cluster

From papers

Consider the long-range percolation graph on Tnd\mathbb T_n^d with all nearest-neighbour edges and each non-nearest-neighbour edge included independently with probability xyα\|x-y\|^{-\alpha}, where α(0,d)\alpha\in(0,d). Start competing first-passage percolation from two uniformly chosen vertices, with the \ominus infection spreading at rate 11 and the \oplus infection at rate λ>0\lambda>0. Let MnM_n denote the size of the smaller infection when all vertices have been infected. Long-range percolation competition conjecture. If λ=1\lambda=1, coexistence occurs. If λ1\lambda\ne1, then

logMnlognPmin{λ,1/λ}.\frac{\log M_n}{\log n}\overset{\mathbb P}{\longrightarrow}\min\{\lambda,1/\lambda\}.

The claim is motivated by the expectation that the long-range percolation cluster has behavior similar to the mean-field model studied in the paper; no proof or disproof is supplied.

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Primary source

Bas Lodewijks and Neeladri Maitra, “Long-range competition on the torus”, arXiv:2403.05536 (2025).

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