Iterative methods for the solution of elliptic problems on regions partitioned into substructures PE Bjørstad, OB Widlund SIAM Journal on Numerical Analysis 23 (6), 1097-1120, 1986 | 641 | 1986 |

Progress in sparse matrix methods for large linear systems on vector supercomputers C Cleveland Ashcraft, RG Grimes, JG Lewis, BW Peyton, HD Simon, ... The International Journal of Supercomputing Applications 1 (4), 10-30, 1987 | 200 | 1987 |

Fast numerical solution of the biharmonic Dirichlet problem on rectangles P Bjørstad SIAM Journal on Numerical Analysis 20 (1), 59-71, 1983 | 121 | 1983 |

On the spectra of sums of orthogonal projections with applications to parallel computing PE Bjørstad, J Mandel BIT Numerical Mathematics 31 (1), 76-88, 1991 | 106 | 1991 |

To overlap or not to overlap: A note on a domain decomposition method for elliptic problems PE Bjørstad, OB Widlund SIAM Journal on Scientific and Statistical Computing 10 (5), 1053-1061, 1989 | 85 | 1989 |

On the relationship between the multiscale finite-volume method and domain decomposition preconditioners JM Nordbotten, PE Bjørstad Computational Geosciences 12 (3), 367-376, 2008 | 74 | 2008 |

Timely Communication: Efficient Algorithms for Solving a Fourth-Order Equation with the Spectral-Galerkin Method PE Bjørstad, BP Tjøstheim SIAM Journal on Scientific Computing 18 (2), 621-632, 1997 | 70 | 1997 |

Efficient matrix multiplication on SIMD computers P Bjørstad, F Manne, T Sørevik, M Vajteršic SIAM Journal on Matrix Analysis and Applications 13 (1), 386-401, 1992 | 56 | 1992 |

A massively parallel reservoir simulator T Kaarstad, J Froyen, P Bjorstad, M Espedal SPE Reservoir Simulation Symposium, 1995 | 48 | 1995 |

Domain decomposition algorithms of Schwarz type, designed for massively parallel computers PE Bjorstad, M Skogen 5th Int. Symp. Domain Decomposition Methods for Partial Differential …, 1992 | 48 | 1992 |

Solving elliptic problems on regions partitioned into substructures PE Bjørstad, OB Widlund Elliptic Problem Solvers, 245-255, 1984 | 48 | 1984 |

Conformal mapping of circular arc polygons P Bjørstad, E Grosse SIAM journal on scientific and statistical computing 8 (1), 19-32, 1987 | 41 | 1987 |

Additive Schwarz methods without subdomain overlap and with new coarse spaces PE Bjørstad, M Dryja, E Vainikko Domain decomposition methods in sciences and engineering (Beijing, 1995 …, 1997 | 40 | 1997 |

High precision solutions of two fourth order eigenvalue problems PE Bjørstad, BP Tjøstheim Computing 63 (2), 97-107, 1999 | 38 | 1999 |

Extrapolation of asymptotic expansions by a modified Aitken δ^{2}-formulaP Bjørstad, G Dahlquist, E Grosse BIT Numerical Mathematics 21 (1), 56-65, 1981 | 37 | 1981 |

Numerical Solution of the Biharmonic Equation. PE Bjorstad STANFORD UNIV CA DEPT OF COMPUTER SCIENCE, 1980 | 36 | 1980 |

Domain decomposition solvers for large scale industrial finite element problems PE Bjørstad, J Koster, P Krzyżanowski International Workshop on Applied Parallel Computing, 373-383, 2000 | 35 | 2000 |

Parallel multilevel methods for elliptic partial differential equations BF Smith, P Bjorstad, WD Gropp Domain Decomposition, 1996 | 31 | 1996 |

Additive Schwarz methods for elliptic mortar finite element problems PE Bjørstad, M Dryja, T Rahman Numerische Mathematik 95 (3), 427-457, 2003 | 27 | 2003 |

Parallel domain decomposition and iterative refinement algorithms PE Bjørstad, PE Bj Parallel Algorithms for PDEs, Proceedings of the 6th GAMM-Seminar held in, 1991 | 22 | 1991 |