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    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
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Identification of Dynamical Systems with Small Noise

Identification of Dynamical Systems with Small Noise

Kutoyants, Yury A.

Paperback

Series: Mathematics and Its Applications, Book 300

General MathematicsGeneral ScienceProbability & Statistics

ISBN10: 9401044449
ISBN13: 9789401044448
Publisher: Springer Nature
Published: Oct 14 2012
Pages: 301
Weight: 0.97
Height: 0.66 Width: 6.14 Depth: 9.21
Language: English
Small noise is a good noise. In this work, we are interested in the problems of estimation theory concerned with observations of the diffusion-type process Xo = Xo, 0 t T, (0. 1) where W is a standard Wiener process and St(') is some nonanticipative smooth t function. By the observations X = {X, 0 t T} of this process, we will solve some t of the problems of identification, both parametric and nonparametric. If the trend S(-) is known up to the value of some finite-dimensional parameter St(X) = St((}, X), where (} E e c Rd, then we have a parametric case. The nonparametric problems arise if we know only the degree of smoothness of the function St(X), 0 t T with respect to time t. It is supposed that the diffusion coefficient c is always known. In the parametric case, we describe the asymptotical properties of maximum likelihood (MLE), Bayes (BE) and minimum distance (MDE) estimators as c --+ 0 and in the nonparametric situation, we investigate some kernel-type estimators of unknown functions (say, StO, O t T). The asymptotic in such problems of estimation for this scheme of observations was usually considered as T --+ 00, because this limit is a direct analog to the traditional limit (n --+ 00) in the classical mathematical statistics of i. i. d. observations. The limit c --+ 0 in (0. 1) is interesting for the following reasons.

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