Mathematics – Probability
Scientific paper
2004-10-05
Annals of Probability 2004, Vol. 32, No. 3A, 2067-2098
Mathematics
Probability
Published by the Institute of Mathematical Statistics (http://www.imstat.org) in the Annals of Probability (http://www.imsta
Scientific paper
10.1214/009117904000000432
We study Girsanov's theorem in the context of symmetric Markov processes, extending earlier work of Fukushima-Takeda and Fitzsimmons on Girsanov transformations of ``gradient type.'' We investigate the most general Girsanov transformation leading to another symmetric Markov process. This investigation requires an extension of the forward-backward martingale method of Lyons-Zheng, to cover the case of processes with jumps.
Chen Zhen-Qing
Fitzsimmons P. J.
Takeda Masayasu
Ying Jiangang
Zhang Tian Shan
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