Develops an asymptotically consistent O(k N log^3 N) fast matrix approximation for variable-order fractional diffusion PDEs using Toeplitz-diagonal decomposition within a collocation framework.
K., Sun, H.: A fast direct method for block tr iangular Toeplitz-like with tri-diagonal block systems from time-fractional partial d ifferential equations
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A fast method for variable-order space-fractional diffusion equations
Develops an asymptotically consistent O(k N log^3 N) fast matrix approximation for variable-order fractional diffusion PDEs using Toeplitz-diagonal decomposition within a collocation framework.