Approximation algorithms for facility location problems DB Shmoys, É Tardos, K Aardal Proceedings of the twenty-ninth annual ACM symposium on Theory of computing …, 1997 | 938 | 1997 |

Models and solution techniques for frequency assignment problems KI Aardal, SPM Van Hoesel, AMCA Koster, C Mannino, A Sassano Annals of Operations Research 153 (1), 79-129, 2007 | 429 | 2007 |

Factorization of a 512-bit RSA modulus S Cavallar, B Dodson, AK Lenstra, W Lioen, PL Montgomery, B Murphy, ... International Conference on the Theory and Applications of Cryptographic …, 2000 | 231 | 2000 |

Capacitated facility location: separation algorithms and computational experience K Aardal Mathematical programming 81 (2), 149-175, 1998 | 149 | 1998 |

Models and solution techniques for frequency assignment problems KI Aardal, SPM Van Hoesel, AMCA Koster, C Mannino, A Sassano Quarterly Journal of the Belgian, French and Italian Operations Research …, 2003 | 146 | 2003 |

An optimal bifactor approximation algorithm for the metric uncapacitated facility location problem J Byrka, K Aardal SIAM Journal on Computing 39 (6), 2212-2231, 2010 | 138 | 2010 |

A 3-approximation algorithm for the k-level uncapacitated facility location problem K Aardal, FA Chudak, DB Shmoys Information Processing Letters 72 (5-6), 161-167, 1999 | 128 | 1999 |

Capacitated facility location: valid inequalities and facets K Aardal, Y Pochet, LA Wolsey Mathematics of Operations Research 20 (3), 562-582, 1995 | 123 | 1995 |

Non-standard approaches to integer programming K Aardal, R Weismantel, LA Wolsey Discrete Applied Mathematics 123 (1-3), 5-74, 2002 | 114 | 2002 |

Solving a system of linear Diophantine equations with lower and upper bounds on the variables K Aardal, CAJ Hurkens, AK Lenstra Mathematics of operations research 25 (3), 427-442, 2000 | 112 | 2000 |

Hard equality constrained integer knapsacks K Aardal, AK Lenstra Mathematics of operations research 29 (3), 724-738, 2004 | 106 | 2004 |

On the two-level uncapacitated facility location problem K Aardal, M Labbé, J Leung, M Queyranne INFORMS Journal on Computing 8 (3), 289-301, 1996 | 92 | 1996 |

Market split and basis reduction: Towards a solution of the Cornuéjols-Dawande instances K Aardal, RE Bixby, CAJ Hurkens, AK Lenstra, JW Smeltink INFORMS Journal on Computing 12 (3), 192-202, 2000 | 71 | 2000 |

Polyhedral techniques in combinatorial optimization I: Theory K Aardal, CPM Van Hoesel Statistica Neerlandica 50 (1), 3-26, 1996 | 66 | 1996 |

Approximation algorithms for hard capacitated k-facility location problems K Aardal, PL van den Berg, D Gijswijt, S Li European Journal of Operational Research 242 (2), 358-368, 2015 | 64 | 2015 |

A Benders decomposition based heuristic for the hierarchical production planning problem K Aardal, T Larsson European Journal of Operational Research 45 (1), 4-14, 1990 | 60 | 1990 |

Reformulation of capacitated facility location problems: how redundant information can help K Aardal Annals of Operations Research 82, 289-308, 1998 | 58 | 1998 |

A branch-and-cut algorithm for the frequency assignment problem KI Aardal, A Hipolito, CPM Van Hoesel, B Jansen, C Roos, T Terlaky Research Memorandum 96 (011), 3-7, 1996 | 56 | 1996 |

Algorithms for maximum independent set applied to map labelling TW Strijk, AM Verweij, KI Aardal Utrecht University: Information and Computing Sciences, 2000 | 55 | 2000 |

Optimal inventory policies with service-level constraints K Aardal, Ö Jonsson, H Jönsson Journal of the operational research society 40 (1), 65-73, 1989 | 55 | 1989 |