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Large deviations for processes with independent increments. (English) Zbl 0624.60045
The large deviation principle (LDP) is studied for probability measures induced by stochastic processes with stationary and independent increments which have no Gaussian component. It is assumed that the moment generating function of the increments exists and thus the sample paths of such stochastic processes lie in the space of functions of bounded variation.
The LDP for such processes is obtained under the weak*-topology. This covers a case which was ruled out in S. R. S. Varadhan, Commun. Pure Appl. Math. 19, 261-286 (1966; Zbl 0147.155). As applications, the LDP for the Poisson, Gamma and Dirichlet processes are obtained. The notions of weak LDP and large deviation tightness are shown to be useful.
Reviewer: B.Kryžienė

MSC:
60F10 Large deviations
60G10 Stationary stochastic processes
60J99 Markov processes
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