Generalised Brownian bridges: examples
Generalised Brownian bridges: examples
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广义布朗桥:示例
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发表时间:
2016
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通讯作者:
Xue
中科院分区:
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作者:
Xue
We observe that the probability distribution of the Brownian motion with drift $-c \frac x {1-t}$ where $c\not =1$ is singular with respect to that of the classical Brownian bridge measure on $[0,1]$, while their Cameron-Martin spaces are equal set-wise if and only if $c> \frac 12$, providing also examples of exponential martingales on $[0,1)$ not extendable to a continuous martingale on $[0,1]$. Other examples of generalised Brownian bridges are also studied.