Sheng Q, Sun HW. Stability of a modified Peaceman–Rachford method for the paraxial Helmholtz equation on adaptive grids. Journal of Computational Physics. 2016 Nov 15;325:259-71.
Lin XL, Ng MK, Sun HW. A multigrid method for linear systems arising from time-dependent two-dimensional space-fractional diffusion equations. Journal of Computational Physics. 2017 May 1;336:69-86.
Cao F, Ge Y, Sun HW. Partial semi-coarsening multigrid method based on the HOC scheme on nonuniform grids for the convection–diffusion problems. International Journal of Computer Mathematics. 2017 Mar 1:1-7.