# American Institute of Mathematical Sciences

2013, 2013(special): 1-10. doi: 10.3934/proc.2013.2013.1

## Random attractors for non-autonomous stochastic FitzHugh-Nagumo systems with multiplicative noise

 1 Department of Mathematics, New Mexico Institute of Mining and Technology, Socorro, NM 87801

Received  September 2012 Revised  December 2012 Published  November 2013

In this paper, we prove the existence and uniqueness of random attractors for the FitzHugh-Nagumo system defined on $\mathbb{R}^n$ driven by both deterministic non-autonomous forcing and multiplicative noise. The periodicity of random attractors is established when the system is perturbed by time periodic forcing. We also prove the upper semicontinuity of random attractors when the intensity of noise approaches zero.
Citation: Abiti Adili, Bixiang Wang. Random attractors for non-autonomous stochastic FitzHugh-Nagumo systems with multiplicative noise. Conference Publications, 2013, 2013 (special) : 1-10. doi: 10.3934/proc.2013.2013.1
##### References:
 [1] P.W. Bates, H. Lisei and K. Lu, Attractors for stochastic lattice dynamical systems,, {\em Stoch. Dyn.}, 6 (2006), 1. [2] P.W. Bates, K. Lu and B. Wang, Random attractors for stochastic reaction-diffusion equations on unbounded domains,, {\em J. Differential Equations}, 246 (2009), 845. [3] T. Caraballo, M.J. Garrido-Atienza, B. Schmalfuss and J. Valero, Asymptotic behaviour of a stochastic semilinear dissipative functional equation without uniqueness of solutions,, {\em Discrete Contin. Dyn. Syst. Ser. B}, 14 (2010), 439. [4] H. Crauel and F. Flandoli, Attractors for random dynamical systems,, {\em Probab. Th. Re. Fields}, 100 (1994), 365. [5] J. Duan and B. Schmalfuss, The 3D quasigeostrophic fluid dynamics under random forcing on boundary,, {\em Comm. Math. Sci.}, 1 (2003), 133. [6] F. Flandoli and B. Schmalfuss, Random attractors for the 3D stochastic Navier-Stokes equation with multiplicative noise,, {\em Stoch. Stoch. Rep.}, 59 (1996), 21. [7] B. Schmalfuss, Backward cocycles and attractors of stochastic differential equations,, {\em International Seminar on Applied Mathematics-Nonlinear Dynamics: Attractor Approximation and Global Behavior}, (1992), 185. [8] B. Wang, Sufficient and necessary criteria for existence of pullback attractors for non-compact random dynamical systems,, {\em J. Differential Equations}, 253 (2012), 1544. [9] B. Wang, Existence and upper semicontinuity of attractors for stochastic equations with deterministic non-autonomous terms,, arXiv:1205.4658v1, (2012). [10] B. Wang, Random attractors for non-autonomous stochastic wave equations with multiplicative noise, Discrete and Continuous Dynamical Systems, Series A,, {\bf 34} (2014), 34 (2014), 269.

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##### References:
 [1] P.W. Bates, H. Lisei and K. Lu, Attractors for stochastic lattice dynamical systems,, {\em Stoch. Dyn.}, 6 (2006), 1. [2] P.W. Bates, K. Lu and B. Wang, Random attractors for stochastic reaction-diffusion equations on unbounded domains,, {\em J. Differential Equations}, 246 (2009), 845. [3] T. Caraballo, M.J. Garrido-Atienza, B. Schmalfuss and J. Valero, Asymptotic behaviour of a stochastic semilinear dissipative functional equation without uniqueness of solutions,, {\em Discrete Contin. Dyn. Syst. Ser. B}, 14 (2010), 439. [4] H. Crauel and F. Flandoli, Attractors for random dynamical systems,, {\em Probab. Th. Re. Fields}, 100 (1994), 365. [5] J. Duan and B. Schmalfuss, The 3D quasigeostrophic fluid dynamics under random forcing on boundary,, {\em Comm. Math. Sci.}, 1 (2003), 133. [6] F. Flandoli and B. Schmalfuss, Random attractors for the 3D stochastic Navier-Stokes equation with multiplicative noise,, {\em Stoch. Stoch. Rep.}, 59 (1996), 21. [7] B. Schmalfuss, Backward cocycles and attractors of stochastic differential equations,, {\em International Seminar on Applied Mathematics-Nonlinear Dynamics: Attractor Approximation and Global Behavior}, (1992), 185. [8] B. Wang, Sufficient and necessary criteria for existence of pullback attractors for non-compact random dynamical systems,, {\em J. Differential Equations}, 253 (2012), 1544. [9] B. Wang, Existence and upper semicontinuity of attractors for stochastic equations with deterministic non-autonomous terms,, arXiv:1205.4658v1, (2012). [10] B. Wang, Random attractors for non-autonomous stochastic wave equations with multiplicative noise, Discrete and Continuous Dynamical Systems, Series A,, {\bf 34} (2014), 34 (2014), 269.
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