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Numerical Approximation of Stationary Distributions for Stochastic Partial Differential Equations

Published online by Cambridge University Press:  30 January 2018

Jianhai Bao*
Affiliation:
Central South University
Chenggui Yuan*
Affiliation:
Swansea University
*
Postal address: Department of Mathematics, Central South University, Changsha, 410075, P. R. China. Email address: [email protected]
∗∗ Postal address: Department of Mathematics, Swansea University, Singleton Park, Swansea SA2 8PP, UK. Email address: [email protected]
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Abstract

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In this paper we discuss an exponential integrator scheme, based on spatial discretization and time discretization, for a class of stochastic partial differential equations. We show that the scheme has a unique stationary distribution whenever the step size is sufficiently small, and that the weak limit of the stationary distribution of the scheme as the step size tends to 0 is in fact the stationary distribution of the corresponding stochastic partial differential equations.

Type
Research Article
Copyright
© Applied Probability Trust 

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