A numerical study of stiff two-point boundary problems PW Hemker (No Title), 1977 | 308 | 1977 |

Space mapping and defect correction D Echeverrĭa, PW Hemker Computational Methods in Applied Mathematics 5 (2), 107-136, 2005 | 227 | 2005 |

The defect correction approach K Böhmer, PW Hemker, HJ Stetter Defect Correction Methods: Theory and Applications, 1-32, 1984 | 196 | 1984 |

Multiple grid and Osher's scheme for the efficient solution of the steady Euler equations PW Hemker, SP Spekreijse Applied Numerical Mathematics 2 (6), 475-493, 1986 | 189 | 1986 |

Numerical analysis of singular perturbation problems PW Hemker, JJH Miller Academic Press, 1979 | 167* | 1979 |

On the order of prolongations and restrictions in multigrid procedures PW Hemker Journal of Computational and Applied Mathematics 32 (3), 423-429, 1990 | 143 | 1990 |

Formation of prothrombin converting activity HC Hemker, MP Esnouf, PW Hemker, ACW Swart, RG Macfarlane Nature 215 (5098), 248-251, 1967 | 127 | 1967 |

ε-uniform schemes with high-order time-accuracy for parabolic singular perturbation problems PW Hemker, GI Shishkin, LP Shishkina IMA journal of numerical analysis 20 (1), 99-121, 2000 | 120 | 2000 |

Multiple grid methods for the solution of Fredholm integral equations of the second kind PW Hemker, H Schippers Mathematics of Computation 36 (153), 215-232, 1981 | 98 | 1981 |

Manifold-mapping optimization applied to linear actuator design D Echeverria, D Lahaye, L Encica, EA Lomonova, PW Hemker, ... IEEE transactions on magnetics 42 (4), 1183-1186, 2006 | 83 | 2006 |

Mixed defect correction iteration for the accurate solution of the convection diffusion equation PW Hemker Multigrid Methods: Proceedings of the Conference Held at Köln-Porz, November …, 2006 | 78 | 2006 |

Deffect correction and higher order schemes for the multi grid solution of the steady Euler equations PW Hemker Multigrid Methods II: Proceedings of the 2nd European Conference on …, 2006 | 76 | 2006 |

Manifold mapping: a two-level optimization technique D Echeverría, PW Hemker Computing and Visualization in Science 11 (4), 193-206, 2008 | 75 | 2008 |

A singularly perturbed model problem for numerical computation PW Hemker Journal of computational and applied mathematics 76 (1-2), 277-285, 1996 | 72 | 1996 |

The limits of simulation of the clotting system R Wagenvoord, PW Hemker, HC Hemker Journal of thrombosis and haemostasis 4 (6), 1331-1338, 2006 | 70 | 2006 |

Error bounds for exponentially fitted Galerkin methods applied to stiff two-point boundary value problems PPN Degroen, PW Hemker | 68 | 1978 |

Kinetic aspects of the interaction of blood clotting enzymes HC Hemker, PW Hemker, EA Loeliger Thrombosis and Haemostasis 13 (01), 155-175, 1965 | 67 | 1965 |

Multigrid solution of the steady Euler equations PW Hemker, SP Spekreijse Advances in Multi-Grid Methods: Proceedings of the conference held in …, 1985 | 66 | 1985 |

Two-level Fourier analysis of a multigrid approach for discontinuous Galerkin discretization PW Hemker, W Hoffmann, MH Van Raalte SIAM Journal on Scientific Computing 25 (3), 1018-1041, 2003 | 65 | 2003 |

Numerical methods for differential equations in system simulation and in parameter estimation PW Hemker Analysis and Simulation of biochemical systems 28, 59-80, 1972 | 64 | 1972 |