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doi: 10.1007/pl00009504
handle: 11565/3774295
Let \(X_1,X_2, \dots\) be an iid sequence of random points in \(\mathbb{R}^d\). In this interesting paper, the authors consider centered empirical measures \(\varphi_n\), \(n\in\mathbb{N}\), defined as \[ \varphi_n= \sum^n_{i=1}\|X_i -\overline X_n\|\delta \left(\cdot- {X_i-\overline X_n\over\|X_i-\overline X_n\|}\right) \] (here \(\overline X_n={1\over n} \sum^n_{i=1}X_i\) and \(\delta\) is the Dirac measure at 0). Under mild regularity conditions on the distribution of the \(X_i\), the measures \(\varphi_n\) fulfill Minkowski's existence theorem, hence there is a convex polytope \(P_n\) with surface area measure \(\varphi_n\). The authors show a law of large numbers for the random polytopes \(P_n\), namely they converge a.s. to a convex body \(K\) (and the measures \(\varphi_n\) converge weakly to the surface area measure \(\varphi\) of \(K)\). In addition, they prove a central limit theorem for the integrals \(\int gd\varphi_n\) of smooth functions \(g\).
Minkowski polytope; Stochastic geometry; Strong law of large numbers; Central limit theorem, surface area measure, Random convex sets and integral geometry (aspects of convex geometry), spatial data, law of large numbers, central limit theorem, Central limit and other weak theorems, Geometric probability and stochastic geometry, random polytope
Minkowski polytope; Stochastic geometry; Strong law of large numbers; Central limit theorem, surface area measure, Random convex sets and integral geometry (aspects of convex geometry), spatial data, law of large numbers, central limit theorem, Central limit and other weak theorems, Geometric probability and stochastic geometry, random polytope
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