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Central limit theorem for a class of random measures associated with germ-grain models

  • Lothar Heinrich (a1) and Ilya S. Molchanov (a2)

Abstract

The germ-grain model is defined as the union of independent identically distributed compact random sets (grains) shifted by points (germs) of a point process. The paper introduces a family of stationary random measures in ℝ d generated by germ-grain models and defined by the sum of contributions of non-overlapping parts of the individual grains. The main result of the paper is the central limit theorem for these random measures, which holds for rather general independently marked germ-grain models, including those with non-Poisson distribution of germs and non-convex grains. It is shown that this construction of random measures includes those random measures obtained by positively extended intrinsic volumes. In the Poisson case it is possible to prove a central limit theorem under weaker assumptions by using approximations by m-dependent random fields. Applications to statistics of the Boolean model are also discussed. They include a standard way to derive limit theorems for estimators of the model parameters.

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Corresponding author

Postal address: Institut für Mathematik, Universität Augsburg, D-86135 Augsburg, Germany.
∗∗ Postal address: Department of Statistics, University of Glasgow, Glasgow G12 8QW, Scotland, U.K. Email address: ilya@stats.gla.ac.uk

References

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Central limit theorem for a class of random measures associated with germ-grain models

  • Lothar Heinrich (a1) and Ilya S. Molchanov (a2)

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