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Approximate Decomposition of Some Moduled - Poisson Voronoï Tessellations

Abstract : We consider the Voronoi tessellation of Euclidean space that is generated by an inhomogeneous Poisson point process whose intensity takes different constant values on sets of some finite partition of the space. Considering the Voronoi cells as marks associated with points of the point process, we prove that the intensity measure (mean measure) of the marked Poisson point process admits an approximate decomposition formula. The true value is approximated by a mixture of respective intensity measures for homogeneous models, while the explicit upper bound for the remainder term can be computed numerically for a large class of practical examples. By the Campbell formula, analogous approximate decompositions are deduced for the Palm distributions of individual cells. This approach makes possible the analysis of a wide class of inhomogeneous-Poisson Voronoi tessellations, by means of formulae and estimates already established for homogeneous cases. Our analysis applies also to the Poisson process modulated by an independent stationary random partition, in which case the error of the approximation of the double-stochastic-Poisson Voronoi tessellation depends on some integrated linear contact distribution functions of the boundaries of the partition elements.
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Contributor : Agnès Vidard Connect in order to contact the contributor
Submitted on : Wednesday, September 21, 2005 - 4:31:17 PM
Last modification on : Thursday, March 17, 2022 - 11:10:13 AM

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Bartlomiej Blaszczyszyn, René Schott. Approximate Decomposition of Some Moduled - Poisson Voronoï Tessellations. Advances in Applied Probability, Applied Probability Trust, 2003, 35 (4), pp.847-862. ⟨10.1239/aap/1067436322⟩. ⟨inria-00000269⟩



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