Random attractors for the extensible suspension bridge equation with white noise

Random attractors for the extensible suspension bridge equation with white noise

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Article ID: iaor201530117
Volume: 70
Issue: 12
Start Page Number: 2895
End Page Number: 2903
Publication Date: Dec 2015
Journal: Computers and Mathematics with Applications
Authors: ,
Keywords: stochastic processes
Abstract:

This paper is devoted to the dynamical behavior of a stochastic extensible suspension bridge equation with white noise. For a deterministic suspension bridge equation, there are many classical results such as existence and uniqueness of a solution and long‐term behavior of solutions. To the best of our knowledge, the existence of attractors for the suspension bridge equation with white noise was not yet considered. We intend to investigate these problems. We first obtain the dissipativeness of a solution in higher‐energy spaces H 3 ( Ω ) × ( H 2 ( Ω ) H 0 1 ( Ω ) ) equ1. This implies that the random dynamical system generated by the equation has a random attractor in ( H 2 ( Ω ) H Ω 1 ( Ω ) ) × L 2 ( Ω ) equ2, which is a tempered random set in the space in H 3 ( O ) × ( H 2 ( O ) n H 0 1 ( O ) ) equ3.

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