随机和的负年龄性质

The Negative Aging Property of Random Sum

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摘要关于随机和年龄性质的研究近年来引起了众多研究者的极大关注.本文研究了几何复合随机变量S=ΣNi=1Xi的负年龄性质.在{Xi,i=1,2,…}服从亚指数分布且具有k-HNBUE年龄性质的条件下,得到了随机和S=ΣNi=1Xi若干年龄性质. The aging properties of random sum received a tremendous attention by many researchers in recent years. In this paper the negative aging property of compound geometric random sum S=N∑i=1Xi is investigated. Under the assumption that {Xi,i = 1,2,……} has k -HNBUE aging property and belongs to N subexponential distribution class, some aging properties of random sum S=N∑i=1Xi are derived.

作者付桐林

机构地区陇东学院数学系

出处《陇东学院学报》 2010年第2期1-3,共3页 Journal of Longdong University

基金陇东学院青年科技创新项目(XYZK-0714)

关键词 NWU(NBU) NWUE(NBUE) HNWUE(HNBUE) k—HNWUE(k—HNBUE) NWU （NBU） NWUE （NBUE） HNWUE {HNBUE） k -HNWUE （k -HNBUE）

分类号 O211.67 [理学—概率论与数理统计]

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陇东学院学报

2010年第2期

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随机和的负年龄性质

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