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Conference Papers Year : 2021

Stochastic Analysis of Empty-Region Graphs

Abstract

Given a set of points $X$, an empty-region graph is a graph in which $p$, $q \in X$ are neighbors if some region defined by $(p, q)$ does not contain any point of $X$. We provide expected analyses of the degree of a point and the possibility of having far neighbors in such a graph when $X$ is a planar Poisson point process. Namely the expected degree of a point in the empty axis-alignedellipse graph for a Poisson point process of intensity $\lambda$ in the unit square is $\Theta(\ln\lambda)$. It is $\Theta(\ln\beta)$ if the ellipses are constrained to have an aspect ratio between 1 and $\beta>1$, and $\Theta(\beta)$ when the aspect ratio is constrained but ellipses are not axis-aligned.
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Dates and versions

hal-03296186 , version 1 (22-07-2021)

Identifiers

  • HAL Id : hal-03296186 , version 1

Cite

Olivier Devillers, Charles Duménil. Stochastic Analysis of Empty-Region Graphs. CCCG 2021 - 33rd Canadian Conference on Computational Geometry, Aug 2021, Halifax / Virtual, Canada. ⟨hal-03296186⟩
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