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2019 Multivariate second order Poincaré inequalities for Poisson functionals
Matthias Schulte, J.E. Yukich
Electron. J. Probab. 24(none): 1-42 (2019). DOI: 10.1214/19-EJP386

Abstract

Given a vector $F =(F_{1},\ldots ,F_{m})$ of Poisson functionals $F_{1},\ldots ,F_{m}$, we investigate the proximity between $F$ and an $m$-dimensional centered Gaussian random vector $N_{\Sigma }$ with covariance matrix $\Sigma \in \mathbb{R} ^{m\times m}$. Apart from finding proximity bounds for the $d_{2}$- and $d_{3}$-distances, based on classes of smooth test functions, we obtain proximity bounds for the $d_{convex}$-distance, based on the less tractable test functions comprised of indicators of convex sets. The bounds for all three distances are shown to be of the same order, which is presumably optimal. The bounds are multivariate counterparts of the univariate second order Poincaré inequalities and, as such, are expressed in terms of integrated moments of first and second order difference operators. The derived second order Poincaré inequalities for indicators of convex sets are made possible by a new bound on the second derivatives of the solution to the Stein equation for the multivariate normal distribution. We present applications to the multivariate normal approximation of first order Poisson integrals and of statistics of Boolean models.

Citation

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Matthias Schulte. J.E. Yukich. "Multivariate second order Poincaré inequalities for Poisson functionals." Electron. J. Probab. 24 1 - 42, 2019. https://doi.org/10.1214/19-EJP386

Information

Received: 10 July 2018; Accepted: 5 November 2019; Published: 2019
First available in Project Euclid: 12 November 2019

zbMATH: 07142924
MathSciNet: MR4040990
Digital Object Identifier: 10.1214/19-EJP386

Subjects:
Primary: 60F05
Secondary: 60D05

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