GHPL convergence of unmarked loop O(n) planar maps to the LQG disk

Let n(0,2)n\in(0,2), let (g,h)D{(g,h)}(g,h)\in\mathcal{D}\cup\{(g_*,h_*)\}, and let (T,Γ)p0,,n,g,h(T_\ell,\Gamma_\ell)\sim p^{-,n,g,h}_{0,\ell}. Set κ=κ(n,g,h)\kappa=\kappa(n,g,h) and a(κ)=2(8/κ)a(\kappa)=2\wedge(8/\kappa). View (T,Γ)(T_\ell,\Gamma_\ell) as a loop-decorated metric measure space, with graph distance multiplied by c2/d(κ)c\ell^{-2/d(\kappa)} and counting measure multiplied by ca(κ)c'\ell^{-a(\kappa)}.

Unmarked planar-map scaling-limit conjecture. There exist unique constants d(κ)>0d(\kappa)>0 and c,c>0c,c'>0 such that the rescaled spaces converge in law to Mˉ0,1,κ\bar{\operatorname{M}}_{0,1}^{-,\kappa}, normalized to be a probability measure, as \ell\to\infty in the GHPL topology.

This gives a precise metric-measure scaling-limit prediction for the unmarked loop O(n)O(n) model in the dense and dilute regimes described by the parameter set D\mathcal{D} and its non-generic critical point.

Sources & referencesView supporting material

Primary source

Nina Holden and Matthis Lehmkuehler, “Liouville quantum gravity weighted by conformal loop ensemble nesting statistics”, arXiv:2204.09905 (2024).

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