This cluster of papers focuses on numerical methods and analysis for solving singularly perturbed problems, particularly in the context of convection-diffusion and reaction-diffusion equations. The research covers topics such as boundary layers, finite difference schemes, asymptotic analysis, parameter-robust methods, and adaptive meshes to accurately solve these challenging problems.
Singular Perturbation; Numerical Methods; Convection-Diffusion Problems; Boundary Layers; Finite Difference Schemes; Asymptotic Analysis; Parameter-Robust Methods; Reaction-Diffusion Equations; Adaptive Meshes; Error Analysis