The distributions of first hitting time and last exit time of a sphere for multiply iterated Brownian motion are presented.

给出了多重迭代布朗运动关于球面的首中时的分布与末离时的分布。

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Abstract: The distributions of first hitting time and last exit time of a sphere for multiply iterated Brownian motion are presented.

文摘：给出了多重迭代布朗运动关于球面的首中时的分布与末离时的分布。

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In the former two situations, the exit time is assumed to be a random variable and in the last situation the exit time is assumed to be a stochastic process.

对前两种情形考虑退出时间是个随机变量，对最后一种情形考虑退出时间是个随机过程。

youdao

In the former two situations, the exit time is assumed to be a random variable and in the last situation the exit time is assumed to be a stochastic process.

对前两种情形考虑退出时间是个随机变量，对最后一种情形考虑退出时间是个随机过程。

youdao