Bulletin of the
Korean Mathematical Society
BKMS

ISSN(Print) 1015-8634 ISSN(Online) 2234-3016

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Bull. Korean Math. Soc. 2019; 56(4): 1007-1025

Online first article July 9, 2019      Printed July 31, 2019

https://doi.org/10.4134/BKMS.b180791

Copyright © The Korean Mathematical Society.

Complete convergence and complete moment convergence theorems for weighted sums of arrays of rowwise extended negatively dependent random variables

Haiwu Huang, Qingxia Zhang

Hengyang Normal University; Southwest Petroleum University

Abstract

In the present work, the complete convergence and complete moment convergence properties for arrays of rowwise extended negatively dependent (END) random variables are investigated. Some sharp theorems on these strong convergence for weighted sums of END cases are established. These main results not only generalize the known corresponding ones of Cai \cite{2}, Wang et al.~\cite{17} and Shen \cite{14}, but also improve them, respectively.

Keywords: arrays of rowwise END random variables, complete convergence, complete moment convergence, weighted sums

MSC numbers: 60F15

Supported by: This paper is supported by the Humanities and Social Sciences Foundation for the Youth Scholars of Ministry of Education of China (15YJCZH066), the Science and Technology Plan Project of Hunan Province (2016TP1020), the Science and Technology Plan Project of Hengyang City (2017KJ183), Application-Oriented Characterized Disciplines, Double First-Class University Project of Hunan Province (Xiangjiaotong [2018]469), Hunan Provincial Natural Science Foundation of China (2018JJ2006; 2018JJ4024), the National Statistical Science Research Project of China (2018LY05) and the Scientic Research Fund of Hunan Provincial Education Department (17A030; 18C0660)