ASYMPTOTIC PROPERTIES OF THE MAXIMUM LIKELIHOOD ESTIMATOR FOR STOCHASTIC PARABOLIC EQUATIONS WITH ADDITIVE FRACTIONAL BROWNIAN MOTION

Author:

CIALENCO IGOR1,LOTOTSKY SERGEY V.2,POSPÍŠIL JAN3

Affiliation:

1. Department of Applied Mathematics, Illinois Institute of Technology, 10 West 32nd Str, Bld E1, Room 208, Chicago, IL 60616, USA

2. Department of Mathematics, University of Southern California, 3620 S. Vermont Avenue, KAP 108, Los Angeles, CA 90089, USA

3. Department of Mathematics, Faculty of Applied Sciences, University of West Bohemia, Univerzitní 22, 306 14 Plzeň, Czech Republic

Abstract

A parameter estimation problem is considered for a diagonalizable stochastic evolution equation using a finite number of the Fourier coefficients of the solution. The equation is driven by additive noise that is white in space and fractional in time with the Hurst parameter H ≥ 1/2. The objective is to study asymptotic properties of the maximum likelihood estimator as the number of the Fourier coefficients increases. A necessary and sufficient condition for consistency and asymptotic normality is presented in terms of the eigenvalues of the operators in the equation.

Publisher

World Scientific Pub Co Pte Lt

Subject

Modelling and Simulation

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