Stein's Method for Spatial Random Graphs

Fuente: arXiv
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Autori principali: Schuhmacher, Dominic, Wirth, Leoni Carla
Natura: Preprint
Pubblicazione: 2024
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author Schuhmacher, Dominic
Wirth, Leoni Carla
author_facet Schuhmacher, Dominic
Wirth, Leoni Carla
contents In this article, we derive Stein's method for approximating a spatial random graph by a generalised random geometric graph, which has vertices given by a finite Gibbs point process and edges based on a general connection function. Our main theorems provide explicit upper bounds for integral probability metrics and, at improved rates, a recently introduced Wasserstein metric for random graph distributions. The bounds are in terms of a vertex error term based on the Papangelou kernels of the vertex point processes and two edge error terms based on conditional edge probabilities. In addition to providing new tools for spatial random graphs along the way, such as a graph-based Georgii--Nguyen--Zessin formula, we also give applications of our bounds to the percolation graph of large balls in a Boolean model and to discretising a generalised random geometric graph.
format Preprint
id arxiv_https___arxiv_org_abs_2411_02917
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Stein's Method for Spatial Random Graphs
Schuhmacher, Dominic
Wirth, Leoni Carla
Probability
05C80, 60E99, 60G55
In this article, we derive Stein's method for approximating a spatial random graph by a generalised random geometric graph, which has vertices given by a finite Gibbs point process and edges based on a general connection function. Our main theorems provide explicit upper bounds for integral probability metrics and, at improved rates, a recently introduced Wasserstein metric for random graph distributions. The bounds are in terms of a vertex error term based on the Papangelou kernels of the vertex point processes and two edge error terms based on conditional edge probabilities. In addition to providing new tools for spatial random graphs along the way, such as a graph-based Georgii--Nguyen--Zessin formula, we also give applications of our bounds to the percolation graph of large balls in a Boolean model and to discretising a generalised random geometric graph.
title Stein's Method for Spatial Random Graphs
topic Probability
05C80, 60E99, 60G55
url https://arxiv.org/abs/2411.02917