A Diffusion First Passage Problem

A Diffusion First Passage Problem
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扩散第一通道问题

DOI:
10.1007/978-1-4684-9169-2_10
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发表时间:
1984
影响因子:
2.3
通讯作者:
L. Rogers
L. Rogers
中科院分区:
数学1区
文献类型:
--
作者:
L. Rogers

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设(XT)t≥0是I⊆[0,∞)上自然尺度上的扩散,速度度量m,初始分布µ。假设0∈i,且0是正则边界点(在不丧失一般性的前提下,我们可以假设扩散在0处瞬时反映)。设τ≡inf|t;xt=0}。假设X‘是I上的另一个扩散,同样是以自然尺度和速度度量m,但这一次是初始分布µ’。
Let (Xt)t≥0 be a diffusion in natural scale on I ⊆ [0,∞), with speed measure m and initial distribution µ. Suppose that 0 ∈ I, and 0 is a regular boundary point (without loss of generality we may suppose the diffusion is reflected instantaneously at 0). Let τ ≡ inf|t; Xt =0}. Suppose that X’ is another diffusion on I, again in natural scale and with speed measure m, but this time with initial distribution µ’.