Taylor expansions of curve-crossing probabilities

被引:4
作者
Hobson, DG [1 ]
Williams, D [1 ]
Wood, ATA [1 ]
机构
[1] Univ Bath, Bath BA2 7AY, Avon, England
关键词
Brownian motion; Cameron-Martin-Girsanov theorem; curve-crossing probabilities; harmonic functions; Levy-Khinchine operator;
D O I
10.2307/3318444
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Using an approach based on the Cameron-Martin-Girsanov theorem, we obtain a Taylor expansion for the probability that Brownian motion hits a smooth nonlinear boundary which grows at a suitable rate. The structure and probabilistic meaning of the terms in the expansion are studied in some detail.
引用
收藏
页码:779 / 795
页数:17
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