Stabilized Galerkin approximation of convection-diffusion-reaction equations: discrete maximum principle and convergence.
Erik BurmanAlexandre ErnPublished in: Math. Comput. (2005)
Keyphrases
- difference equations
- partial differential equations
- diffusion processes
- differential equations
- diffusion equation
- reaction diffusion
- continuous functions
- anisotropic diffusion
- numerical solution
- numerical scheme
- image denoising
- numerical integration
- diffusion process
- level set
- finite difference
- image processing
- nonlinear diffusion
- ordinary differential equations
- image enhancement
- multiscale
- dynamical systems
- conjugate gradient algorithm
- noise removal
- hamilton jacobi
- convergence rate
- chemical reaction
- edge detection
- diffusion model
- discrete data
- numerical methods
- closed form
- globally convergent
- linear computational complexity
- convergence analysis
- heat transfer
- free energy
- global convergence
- scale spaces
- iterative algorithms
- linear equations
- natural images
- sufficient conditions
- denoising