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Limits of compound and thinned point processes

Published online by Cambridge University Press:  14 July 2016

Olav Kallenberg*
Affiliation:
University of Göteborg

Abstract

Let ηjδτj be a point process on some space S and let β,β1,β2, … be identically distributed non-negative random variables which are mutually independent and independent of η. We can then form the compound point process ξ = Σjβjδτj which is a random measure on S. The purpose of this paper is to study the limiting behaviour of ξ as . In the particular case when β takes the values 1 and 0 with probabilities p and 1 –p respectively, ξ becomes a p-thinning of η and our theorems contain some classical results by Rényi and others on the thinnings of a fixed process, as well as a characterization by Mecke of the class of subordinated Poisson processes.

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 1975 

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