Random attractors for stochastic reaction–diffusion equations on unbounded domains

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Abstract

The existence of a pullback attractor is established for a stochastic reaction–diffusion equation on all n-dimensional space. The nonlinearity is dissipative for large values of the state and the stochastic nature of the equation appears as spatially distributed temporal white noise. The reaction–diffusion equation is recast as a random dynamical system and asymptotic compactness for this is demonstrated by using uniform a priori estimates for far-field values of solutions.

MSC

primary
35B40
secondary
35B41
37L30

Keywords

Stochastic reaction–diffusion equation
Random attractor
Pullback attractor
Asymptotic compactness

Cited by (0)

1

Supported in part by NSF grant DMS 0401708.

2

Supported in part by NSF grant DMS-0703521.