Intersection Local Times, Loop Soups and Permanental Wick Powers

Intersection Local Times, Loop Soups and Permanental Wick Powers
Author :
Publisher : American Mathematical Soc.
Total Pages : 92
Release :
ISBN-10 : 9781470436957
ISBN-13 : 1470436957
Rating : 4/5 (57 Downloads)

Book Synopsis Intersection Local Times, Loop Soups and Permanental Wick Powers by : Yves Le Jan

Download or read book Intersection Local Times, Loop Soups and Permanental Wick Powers written by Yves Le Jan and published by American Mathematical Soc.. This book was released on 2017-04-25 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several stochastic processes related to transient Lévy processes with potential densities , that need not be symmetric nor bounded on the diagonal, are defined and studied. They are real valued processes on a space of measures endowed with a metric . Sufficient conditions are obtained for the continuity of these processes on . The processes include -fold self-intersection local times of transient Lévy processes and permanental chaoses, which are `loop soup -fold self-intersection local times' constructed from the loop soup of the Lévy process. Loop soups are also used to define permanental Wick powers, which generalizes standard Wick powers, a class of -th order Gaussian chaoses. Dynkin type isomorphism theorems are obtained that relate the various processes. Poisson chaos processes are defined and permanental Wick powers are shown to have a Poisson chaos decomposition. Additional properties of Poisson chaos processes are studied and a martingale extension is obtained for many of the processes described above.


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