The time spent by the Wiener process in a narrow tube before leaving a wide tube

The time spent by the Wiener process in a narrow tube before leaving a wide tube
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by Antónia Földes and Madan L. Puri PDF

Proc. Amer. Math. Soc. 117 (1993), 529-536 Request permission

The almost sure behavior of the time spent by the Wiener process in a "small interval" before first leaving a "bigger interval" is investigated.

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