Publication: Über die Asymptotik des Bayesrisikos bei Diffusionsprozessen. Diplomarbeit von Jochen Voß. … read more
Publication: Some Large Deviation Results for Diffusion Processes. PhD thesis of Jochen Voss about large deviation results for diffusion processes. … read more
| details: | Jochen Voss: Large Deviations for One Dimensional Diffusions with a Strong Drift. Electronic Journal of Probability, vol. 13, no. 53, pp. 1479–1528, 2008. |
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| online: | link, journal |
| preprint: | preprint:pdf, preprint:ps |
| metadata: | BibTeX, MathSciNet, Google |
| keywords: | large deviations, diffusion processes, SDEs |
| MSC2000: | 60F10, 60H10 |
We derive a large deviation principle which describes the behaviour of a diffusion process with additive noise under the influence of a strong drift. Our main result is a large deviation theorem for the distribution of the end-point of a one-dimensional diffusion with drift θb where b is a drift function and θ a real number, when θ converges to ∞. It transpires that the problem is governed by a rate function which consists of two parts: one contribution comes from the Freidlin-Wentzell theorem whereas a second term reflects the cost for a Brownian motion to stay near a equilibrium point of the drift over long periods of time.
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