A necessary and sufficient condition for the existence of positive solutions of fourth-order singular boundary value problems.
Zhaocai HaoLishan LiuLokenath DebnathPublished in: Appl. Math. Lett. (2003)
Keyphrases
- sufficient conditions
- boundary value problem
- fixed point theorem
- fourth order
- partial differential equations
- boundary conditions
- differential equations
- fixed point
- anisotropic diffusion
- numerical solution
- noise removal
- high order
- diffusion equation
- equilibrium point
- image processing
- image denoising
- level set
- linear systems
- nonlinear diffusion
- exponential stability
- variational inequalities
- image interpolation
- finite element method
- image enhancement
- linear complementarity problem
- numerical methods
- feature extraction