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On τ-preconditioners for a quasi-compact difference scheme to Riesz fractional diffusion equations with variable coefficients.
Zi-Hang She
Xue Zhang
Xian-Ming Gu
Stefano Serra Capizzano
Published in:
CoRR (2024)
Keyphrases
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diffusion equation
anisotropic diffusion
scale space
edge preserving
wavelet packet
pattern formation
diffusion process
filtering method
image enhancement
vector valued
finite difference
steady state
partial differential equations
noise removal