This article is concerned with a forward problem for the following sub-diffusion equation driven by standard Brownian motion
\begin{align*}
\left( ^{\mathcal C} \partial^\gamma_t + A \right) u(t) = f(t) + B(t) \dot{W}(t), \quad t\in J:=(0,T),
\end{align*}
where $^{\mathcal C} \partial^\gamma_t$ is the conformable derivative, $\gamma \in (\frac{1}{2},1].$ Under some flexible assumptions on $f,B$ and the initial data, we investigate the existence, regularity, continuity of the solution on two spaces $L^r(J;L^2(\Omega,\dot{H}^\sigma))$ and $C^\alpha(\overline{J};L^2(\Omega,H))$ separately.
Diffusion equation Standard Brownian motion Fractional Brownian motion Existence and regularity. Conformable derivative
Primary Language | English |
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Subjects | Mathematical Sciences |
Journal Section | Articles |
Authors | |
Publication Date | September 30, 2021 |
Published in Issue | Year 2021 Volume: 5 Issue: 3 |