Wang Rongming(1993) calculated the extinction probabilities for a class of random walk in a random environment with the set of non-negative integers as state space.

汪荣明（1993）求出了状态空间为非负整数集的随机环境中随机游动的灭绝概率，并得到明确的表达式。

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We consider asymptotic behaviors of stationary tail probabilities in the discrete time quasi-birth-and-death (QBD) process with a countable background state space.

考虑在可数背景状态下，时间离散的拟生灭过程(QBD过程)平稳分布的尾概率的渐近态。

youdao

We consider asymptotic behaviors of stationary tail probabilities in the discrete time quasi-birth-and-death (QBD) process with a countable background state space.

考虑在可数背景状态下，时间离散的拟生灭过程(QBD过程)平稳分布的尾概率的渐近态。

youdao