A technique of exponential change of mea-sure for Markov processes
A technique of exponential change of mea-sure for Markov processes
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马尔可夫过程测度指数变化技术
DOI:
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发表时间:
2002
期刊:
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通讯作者:
T. Rolski
中科院分区:
文献类型:
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作者:
Z. Palmowski;T. Rolski
is a true martingale for a positive function h 2 D(A). We demonstrate that the process X (t) is a Markov process on the probability space (Ù, F , fF tg, ~ P), we find its extended generator ~ A and provide sufficient conditions under which D(~ A) 1⁄4 D(A). We apply this result to continuous-time Markov chains, to piecewise deterministic Markov processes and to diffusion processes (in this case a special choice of h yields the classical Cameron–Martin–Girsanov theorem).