Abstract

Suppose $X_1, X_2, X_3,\\ldots$ are independent random points in $\\mathbf{R}^d,d\\geq 2$, with common density $f$, having connected compact support $\\Omega$ with smooth boundary $\\partial\\Omega$, with $f|_{\\Omega}$ continuous. Let $M_{n}$ denote the smallest $r$ such that the union of balls of diameter $r$ centered at the first $n$ points is connected. Let $\\theta$ denote the volume of the unit ball. Then as $n\\to\\infty$, $$n\\theta M^d_n/\\log n \\to \\max\\Big(\\big(\\min\\limits_{\\Omega}f\\big)^{-1},2(1 - 1/d)\\big(\\min\\limits_{\\partial\\Omega}f\\big)^{-1}\\Big),\\quad\\text{a.s.}$$

Keywords

MathematicsOmegaCombinatoricsUnit sphereBall (mathematics)Unit (ring theory)Boundary (topology)Spanning treeGeometryMathematical analysisPhysics

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Publication Info

Year
1999
Type
article
Volume
27
Issue
1
Citations
117
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Mathew D. Penrose (1999). A Strong Law for the Longest Edge of the Minimal Spanning Tree. The Annals of Probability , 27 (1) . https://doi.org/10.1214/aop/1022677261

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DOI
10.1214/aop/1022677261