Pathwise Random Periodic Solutions of Stochastic Differential Equations

Abstract

In this paper, we study the existence of random periodic solutions for semilinear stochastic differential equations. We identify these as the solutions of coupled forward-backward infinite horizon stochastic integral equations in general cases. We then use the argument of the relative compactness of Wiener-Sobolev spaces in $C^0([0,T],L^2(\Omega ))$ and generalized Schauder's fixed point theorem to prove the existence of a solution of the coupled stochastic forward-backward infinite horizon integral equations. The condition on $F$ is then further weakened by applying the coupling method of forward and backward Gronwall inequalities. The results are also valid for stationary solutions as a special case when the period $\tau$ can be an arbitrary number.\

References in corpus (3)

• Smooth stable and unstable manifolds for stochastic partial differential equations
• Random Periodic Solutions of Random Dynamical Systems
• Stationary Solutions of SPDEs and Infinite Horizon BDSDEs

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