H.‐G. Roos

Sufficient Conditions for Uniform Convergence on Layer-Adapted Grids

H.‐G. Roos · Computing · 1999 · 146 citations

Numerical Analysis, Engineering, Numerical Simulation +6

Convergence and stability in balanced norms of finite element methods on Shishkin meshes for reaction‐diffusion problems

H.‐G. Roos, Martin Schopf · ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik · 2014 · 73 citations

Superconvergence analysis of the SDFEM for elliptic problems with characteristic layers

Sebastian Franz, Torsten Linß, H.‐G. Roos · Applied Numerical Mathematics · 2007 · 43 citations

Numerical Analysis, Finite Element Method, Method Of Fundamental Solution +9

A second-order scheme for singularly perturbed differential equations with discontinuous source term

H.‐G. Roos, Helena Zarin · Journal of Numerical Mathematics · 2002 · 35 citations

Numerical Analysis, Finite Element Method, Perturbation Parameter +13

An elliptic singularly perturbed problem with two parameters I: Solution decomposition

Lj. Teofanov, H.‐G. Roos · Journal of Computational and Applied Mathematics · 2006 · 31 citations

Numerical Analysis, Elliptic Equation, Solution Decomposition +4