| Some Classes of Life Distributions Characterized by Concave Ordering |
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| 作者姓名： | YONGLU DENG WEI TANG XIAOLING YIN |
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| 作者单位： | Department of Mathematics，Zhongshan University，Guangzhou，510275 |
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| 摘 要： | 1.IntroductionandDefintionsInreliabilitytheory,maintenancetheory,biometricsandeconometrics,variousclassesoflifedistributionsbasedondifferentconceptsofagingareveryuseful.Recently,anumberofclassesoflifedistributionshavebeenintroducedbymeansofdifferentapproachestocharacterizingagingproperty.Oneoftheseapproachesisbasedonthefactthatmanyclassesoflifedistributionmaybecharacterizedbyvariousstochasticorderings,see,e.g.if.2],3]and4],etc.LetFbethedistributionfunctionofanon-negativerandomvariableXre…
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Some Classes of Life Distributions Characterized by Concave Ordering |
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| YONGLU DENG, WEI TANG, XIAOLING YIN.Some Classes of Life Distributions Characterized by Concave Ordering[J].OR Transactions,1998(2). |
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| Authors: | YONGLU DENG WEI TANG XIAOLING YIN |
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| Abstract: | Some classes of life distributions characterized by concave ordering,namely, the classes NBUCV, NWUCV, IFRCV and DFRCV are studied. The relationships among these classes and some well-known classes of life distributions are given and the preservation properties under convolution, mixture, formation of coherent structure and Laplace-Stieltjes thansform are discussed. |
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| Keywords: | Classes of life distributions concave ordering NBUCV NWUCV IFRCV DFRCV |
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