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平面图的非双射标度极限与相变

Non-bijective scaling limits and phase transitions of planar maps

Benedikt Stufler

arXiv 2608.21063首次发表:更新:

AI 中文总结

本研究证明均匀随机不可分平面图的标度极限为布朗球面,提出非双射公共核转移方法这一通用证明策略,并完善了块加权平面图极限形状的相图。

AI 中文摘要

我们证明,具有$n$条边的均匀随机不可分平面图在$n$趋于无穷时,以布朗球面为其Gromov–Hausdorff–Prokhorov标度极限。我们的证明提出了一种非双射的“公共核转移方法”,为随机离散结构的标度极限研究提供了一种新颖且通用的证明策略。作为应用,我们完善了Stufler(2019)提出的块加权平面图极限形状的相图,描述了极限分别为布朗球面、稳定树,以及Sénizergues、Stefánsson与Stufler(2023)最新提出的布朗球面装饰稳定树的各相态。

英文摘要

We prove that the uniform random non-separable planar map with $n$ edges admits the Brownian sphere as Gromov--Hausdorff--Prokhorov scaling limit as $n$ tends to infinity. Our proof introduces a non-bijective ``common-core transfer method'' that constitutes a novel and universal proof strategy for scaling limits of random discrete structures. As an application, we complete the phase diagram for limiting shapes of block-weighted planar maps by Stufler~(2019). We describe phases with limits given by the Brownian sphere, stable trees, and Brownian sphere decorated stable trees recently introduced by S{é}nizergues, Stef{á}nsson and Stufler~(2023).

论文原文

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