Density in small time at accessible points for jump processes
We consider a process Yt which is the solution of a stochastic differential equation driven by a Lévy process with an initial condition Y0 = y0. We assume conditions under which Yt has a smooth density for any t > 0. We consider a point y that the process can reach with a finite number of jumps from y0, and prove that, as t tends to 0, the density at this point is of order t[Gamma] for some [Gamma] = [Gamma](y0, y). Some applications to the potential analysis of the process are given.
Year of publication: |
1997
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Authors: | Picard, Jean |
Published in: |
Stochastic Processes and their Applications. - Elsevier, ISSN 0304-4149. - Vol. 67.1997, 2, p. 251-279
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Publisher: |
Elsevier |
Subject: | 60J75 60H07 |
Saved in:
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