2012arXiv (Cornell University)Open access

Poisson and Compound Poisson Approximations in a Nonconventional Setup

Yuri Kifer, Ariel Rapaport

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Abstract

We show that for all $ψ$-mixing shifts distributions of the numbers of multiple recurrencies to shrinking cylindrical neighborhoods of all points are close either to Poisson or to compound Poisson distributions. We also describe completely the asymptotic behavior of these distributions.

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We show that for all $ψ$-mixing shifts distributions of the numbers of multiple recurrencies to shrinking cylindrical neighborhoods of all points are close either to Poisson or to compound Poisson distributions. We also describe completely the asymptotic behavior of these distributions.

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Available abstract

We show that for all $ψ$-mixing shifts distributions of the numbers of multiple recurrencies to shrinking cylindrical neighborhoods of all points are close either to Poisson or to compound Poisson distributions. We also describe completely the asymptotic behavior of these distributions.

Key concepts: Poisson distribution, Compound Poisson distribution, Statistical physics, Zero-inflated model, Compound Poisson process, Mixing (physics), Physics, Poisson regression

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