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Large deviations for multi-scale jump-diffusion processes (1503.05990v2)
Published 20 Mar 2015 in math.PR
Abstract: We obtain large deviation results for a two time-scale model of jump-diffusion processes. The processes on the two time scales are fully inter-dependent, the slow process has small perturbative noise and the fast process is ergodic. Our results extend previous large deviation results for diffusions. We provide concrete examples in their applications to finance and biology, with an explicit calculation of the large deviation rate function.