One-Dimensional Empirical Measures, Order Statistics, and Kantorovich Transport Distances

One-Dimensional Empirical Measures, Order Statistics, and Kantorovich Transport Distances
Author :
Publisher : American Mathematical Soc.
Total Pages : 126
Release :
ISBN-10 : 9781470436506
ISBN-13 : 1470436507
Rating : 4/5 (507 Downloads)

Book Synopsis One-Dimensional Empirical Measures, Order Statistics, and Kantorovich Transport Distances by : Sergey Bobkov

Download or read book One-Dimensional Empirical Measures, Order Statistics, and Kantorovich Transport Distances written by Sergey Bobkov and published by American Mathematical Soc.. This book was released on 2019-12-02 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work is devoted to the study of rates of convergence of the empirical measures μn=1n∑nk=1δXk, n≥1, over a sample (Xk)k≥1 of independent identically distributed real-valued random variables towards the common distribution μ in Kantorovich transport distances Wp. The focus is on finite range bounds on the expected Kantorovich distances E(Wp(μn,μ)) or [E(Wpp(μn,μ))]1/p in terms of moments and analytic conditions on the measure μ and its distribution function. The study describes a variety of rates, from the standard one 1n√ to slower rates, and both lower and upper-bounds on E(Wp(μn,μ)) for fixed n in various instances. Order statistics, reduction to uniform samples and analysis of beta distributions, inverse distribution functions, log-concavity are main tools in the investigation. Two detailed appendices collect classical and some new facts on inverse distribution functions and beta distributions and their densities necessary to the investigation.


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