Convergence rates of particle approximation of forward-backward splitting algorithm for granular medium equations
CoRR(2024)
Abstract
We study the spatially homogeneous granular medium equation
∂_tμ=div(μ∇ V)+div(μ(∇ W ∗μ))+Δμ ,
within a large and natural class of the confinement
potentials V and interaction potentials W. The considered problem do not
need to assume that ∇ V or ∇ W are globally Lipschitz. With the
aim of providing particle approximation of solutions, we design efficient
forward-backward splitting algorithms. Sharp convergence rates in terms of the
Wasserstein distance are provided.
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