Develops a fourth-order compact scheme for fourth-order subdiffusion equations via averaged spatial operators and irregular L1 time stepping, with stability and convergence proved using convolution kernels and discrete Gronwall inequalities.
Cui , Compact finite difference method for the fractional diffusion e quation, J
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A fourth-order compact solver for fractional-in-time fourth-order diffusion equations
Develops a fourth-order compact scheme for fourth-order subdiffusion equations via averaged spatial operators and irregular L1 time stepping, with stability and convergence proved using convolution kernels and discrete Gronwall inequalities.