α-robust H1-norm error estimate of nonuniform Alikhanov scheme for fractional sub-diffusion equation.

Hu Chen Yue Wang Hongfei Fu

Published in: Appl. Math. Lett. (2022)

Keyphrases

diffusion equation
estimation error
partial differential equations
diffusion process
error rate
anisotropic diffusion
scale space
noise removal
diffusion coefficient
digital images
motion estimation
pattern recognition
filtering method
video sequences
scale spaces
gaussian kernel
multiscale