Arbitrary order of convergence for Riesz fractional derivative via central difference method. - Pui Ho Lam; Hing Cheung So; Cheung-Fat Chan (CoRR, 2021)

On Generalisation of Isotropic Central Difference for Higher Order Approximation of Fractional Laplacian. - Pui Ho Lam; Hing Cheung So (CoRR, 2022)