An Explicit-Limit Theorem for the Critical Galton-Watson Process with Immigration

An Explicit-Limit Theorem for the Critical Galton-Watson Process with Immigration
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移民临界高尔顿-沃森过程的显式极限定理

DOI:
10.1111/j.2517-6161.1970.tb00826.x
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发表时间:
1970
期刊:
Journal of the royal statistical society series b-methodological
影响因子:
--
通讯作者:
E. Seneta
E. Seneta
中科院分区:
--
文献类型:
--
作者:
E. Seneta

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对于具有移民 {Xn} 的临界 Galton–Watson 分支过程,其中后代分布具有有限方差且移民分布具有有限均值,结果表明随机变量 {Xn/n} 接近服从法则 asn→ ∞ 的伽马分布。
For a critical Galton–Watson branching process with immigration, {Xn}, in which the offspring distribution has finite variance and the immigration distribution finite mean, it is shown that the random variables {Xn/n} approach a gamma distribution in law asn→ ∞.