Fast-update limit conjecture for the critical infection rate

From papers

Let qq be fixed and assume that the existence assumption holds. Let τc(CPDLP)\tau_c(\text{CPDLP}) denote the critical infection rate of the contact process on dynamical long-range percolation, and let τc(q)\tau_c^{\infty}(q) denote the critical infection rate of the corresponding contact process with infection kernel (λqpe)eE(\lambda q p_e)_{e\in\mathcal{E}}.

Fast-update limit conjecture.

limγλc(γ,q)=λc(q).\lim_{\gamma\to\infty}\lambda_c(\gamma,q)=\lambda^{\infty}_{c}(q).

The conjecture asserts that, when the edge-update speed tends to infinity, the critical infection rate converges to that of the limiting long-range contact process. The surrounding discussion establishes an upper bound on the limiting critical rate and notes that the comparison process converges to the limiting process from below, but does not resolve equality.

Progress summary

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Sources & referencesView supporting material

Primary source

Marco Seiler and Anja Sturm, “Contact process on a dynamical long range percolation”, arXiv:2210.08907 (2023).

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