%0 Journal Article %T Space-Fractional Diffusion with Variable Order and Diffusivity: Discretization and Direct Solution Strategies %A Alzahrani, Hasnaa %A Turkiyyah, George %A Knio, Omar %A Keyes, David %J Communications on Applied Mathematics and Computation %V 4 %N 4 %P 1416-1440 %@ 2096-6385 %D 2022-12-01 %I Springer Nature Singapore %~ DeepDyve