Well-posedness of the stochastic time-fractional diffusion and wave equations and inverse random source problems

Abstract

In this paper, we are concerned with the stochastic time-fractional diffusion-wave equations in a Hilbert space. The main objective of this paper is to establish properties of the stochastic weak solutions of the initial-boundary value problem, such as the existence, uniqueness and regularity estimates. Moreover, we apply the obtained theories to an inverse source problem. The uniqueness of this inverse problem under the boundary measurements is proved.

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• An inverse random source problem for the time-space fractional diffusion equation driven by fractional Brownian motion