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Random exponential attractor for a stochastic reaction-diffusion equation in \(L^{2p}(D)\)

  • Gang Wang,
  • Chaozhu Hu

摘要

In this paper, we establish some sufficient conditions for the existence of a random exponential attractor for a random dynamical system in a Banach space. As an application, we consider a stochastic reaction-diffusion equation with multiplicative noise. We show that the random dynamical system ϕ ( t , ω ) $\phi(t,\omega)$ generated by this stochastic reaction-diffusion equation is uniformly Fréchet differentiable on a positively invariant random set in L 2 p ( D ) $L^{2p}(D)$ and satisfies the conditions of the abstract result, then we obtain the existence of a random exponential attractor in L 2 p ( D ) $L^{2p}(D)$ , where p is the growth of the nonlinearity satisfying 1 < p 3 $1< p\leq 3$ .