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math.PR2023
-regularity theory for the stochastic reaction-diffusion equation with super-linear multiplicative noise and strong dissipativity
Beom-Seok Han, Jaeyun Yi
We study the existence, uniqueness, and regularity of the solution to the stochastic reaction-diffusion equation (SRDE) with colored noise : $$ \partial_t u = a^{ij}u_{x^i…
math.PR2023
Fractal geometry of the PAM in 2D and 3D with white noise potential
Promit Ghosal, Jaeyun Yi
We study the parabolic Anderson model (PAM) \begin{equation} {\partial \over \partial t}u(t,x) =\frac{1}{2}Δu(t,x) + u(t,x)ξ(x), \quad t>0, x\in \mathbb{R}^d, \quad \text{and} \qua…