NDLI: On the constants in the uniform and non-uniform versions of the Berry-Esseen inequality for Poisson random sums

Content Provider	IEEE Xplore Digital Library
Author	Nefedova, Y. Shevtsova, I.
Copyright Year	2010
Description	Author affiliation: Lomonosov Moscow State University, 119991 Leninskie Gory, GSP-1, Russia (Nefedova, Y.; Shevtsova, I.)
Abstract	The sums of large number of independent random variables are very popular mathematical models for many real objects. The central limit theorem states that the distribution of such sum must approximately fit the normal distribution under a broad range of realistic conditions. The normal approximation is valid as long as the tails of the distribution are not too heavy, so that the variance were finite. Moreover, if the random summands have the moments of order higher than 2, then the normal approximation becomes more precise. The most interesting case is when the moment order lies between 2 and 3: the central limit theorem is still valid, but the random summands have so heavy tails that the third-order moment does not exist. Such heavy-tailed distributions are used, for example, for the analysis of the telecommunication system traffic. The present paper is devoted to the accuracy estimation of the normal approximation just in that case. We will present two-sided bounds for the constant in the Berry-Esseen inequality for Poisson random sums of independent identically distributed random variables with the finite moment order that lies between 2 and 3. The lower estimates obtained for the first time. We will improve the lower estimates and prove non-uniform estimates.
Starting Page	1141
Ending Page	1144
File Size	336847
Page Count	4
File Format	PDF
ISBN	9781424472857
ISSN	2157023X
e-ISBN	9781424472864
DOI	10.1109/ICUMT.2010.5676523
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-18
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Upper bound Central limit theorem Insurance Tin Poisson random sum Random variables Berry-Esseen inequality Approximation methods Compounds Mathematical model Non-uniform estimate
Content Type	Text
Resource Type	Article

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