A fast and efficient two-grid method for solving d-dimensional poisson equations. - Hamid Moghaderi; Mehdi Dehghan 002; Masoud Hajarian (Numer. Algorithms, 2016)

Spectral analysis and multigrid preconditioners for two-dimensional space-fractional diffusion equations. - Hamid Moghaderi; Mehdi Dehghan 002; Marco Donatelli; Mariarosa Mazza (J. Comput. Phys., 2017)