【摘要】 在环境独立同分布的前提下,关于随机环境中的随机游动的成果已很丰富,假定环境独立但不必同分布,为了研究半直线上随机游动的一些性质,假定环境还满足一定的其他条件,证明了一个强大数定律,运用该定律讨论了过程常返性及非常返性的判定,它蕴涵了环境独立同分布的部分结果.更多还原

【Abstract】 Under the independent environment and identical distribution,there have been many findings about random walk in random environment.Suppose the environment is independent and satisfies some other conditions,a sufficient condition for the strong low of large numbers is obtained.It can be applied to discuss the recurrence and nonrecurrence of RWIRE on Half-Line which implies part of the findings under the in independent and identical environment.更多还原