Sharp error estimates for spatial-temporal finite difference approximations to fractional sub-diffusion equation without regularity assumption on the exact solution.
Daxin NieJing SunWeihua DengPublished in: CoRR (2023)
Keyphrases
- spatial temporal
- exact solution
- finite difference
- diffusion equation
- error estimates
- numerical solution
- scale space
- partial differential equations
- cross validation
- anisotropic diffusion
- diffusion process
- noise removal
- image enhancement
- scale spaces
- column generation
- lower bound
- temporal information
- boundary conditions
- action recognition
- finite element
- filtering method
- optimal solution
- spatial information
- numerical methods
- image analysis
- video sequences
- image processing
- edge map
- machine learning
- branch and bound
- model selection
- edge detection