Deterministic Thinning of Finite Poisson Processes
Probability
2009-12-02 v1
Abstract
Let Pi and Gamma be homogeneous Poisson point processes on a fixed set of finite volume. We prove a necessary and sufficient condition on the two intensities for the existence of a coupling of Pi and Gamma such that Gamma is a deterministic function of Pi, and all points of Gamma are points of Pi. The condition exhibits a surprising lack of monotonicity. However, in the limit of large intensities, the coupling exists if and only if the expected number of points is at least one greater in Pi than in Gamma.
Cite
@article{arxiv.0912.0047,
title = {Deterministic Thinning of Finite Poisson Processes},
author = {Omer Angel and Alexander E. Holroyd and Terry Soo},
journal= {arXiv preprint arXiv:0912.0047},
year = {2009}
}
Comments
16 pages; 1 figure