199 citations · 659 across the 34 of their papers we have counts for
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math.NA2022★ 1 cited
Modified BDF2 schemes for subdiffusion models with a singular source term
Minghua Chen, Jiankang Shi, Zhi Zhou
The aim of this paper is to study the time stepping scheme for approximately solving the subdiffusion equation with a weakly singular source term. In this case, many popular time s…
math.NA2022
Fast algebraic multigrid for block-structured dense and Toeplitz-like-plus-Cross systems arising from nonlocal diffusion problems
Minghua Chen, Rongjun Cao, Stefano Serra-Capizzano
Algebraic multigrid (AMG) is one of the most efficient iterative methods for solving large sparse system of equations. However, how to build/check restriction and prolongation oper…