Published In

Probability in the Engineering and Informational Sciences

Document Type

Article

Publication Date

7-1-2012

Subjects

Stochastic analysis, Mathematical statistics, Random variables -- Mathematical models

Abstract

In this paper, a new sufficient condition for comparing linear combinations of independent gamma random variables according to star ordering is given. This unifies some of the newly proved results on this problem. Equivalent characterizations between various stochastic orders are established by utilizing the new condition. The main results in this paper generalize and unify several results in the literature including those of Amiri, Khaledi, and Samaniego [2], Zhao [18], and Kochar and Xu [9].

Description

This is the publisher's final PDF. Article appears in Probability in the Engineering and Informational Sciences (http://journals.cambridge.org/action/displayJournal?jid=PES) and is Copyright © 2012 Cambridge University Press.

DOI

10.1017/S0269964812000071

Persistent Identifier

http://archives.pdx.edu/ds/psu/9517

Included in

Mathematics Commons

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