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Asymptotic normality of fluctuations of the procedure of stochastic approximation with diffusive perturbation in a Markov medium

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Abstract

We consider the asymptotic normality of a continuous procedure of stochastic approximation in the case where the regression function contains a singularly perturbed term depending on the external medium described by a uniformly ergodic Markov process. Within the framework of the scheme of diffusion approximation, we formulate sufficient conditions for asymptotic normality in terms of the existence of a Lyapunov function for the corresponding averaged equation.

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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 58, No. 12, pp. 1686–1692, December, 2006.

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Chabanyuk, Y.M. Asymptotic normality of fluctuations of the procedure of stochastic approximation with diffusive perturbation in a Markov medium. Ukr Math J 58, 1916–1923 (2006). https://doi.org/10.1007/s11253-006-0176-4

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  • DOI: https://doi.org/10.1007/s11253-006-0176-4

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