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 | 1076 | 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, 79-129, 2007 | 501 | 2007 |

Factorization of a 512-bit RSA modulus S Cavallar, B Dodson, AK Lenstra, W Lioen, PL Montgomery, B Murphy, ... Advances in Cryptology—EUROCRYPT 2000: International Conference on the …, 2000 | 262 | 2000 |

Capacitated facility location: separation algorithms and computational experience K Aardal Mathematical programming 81, 149-175, 1998 | 168 | 1998 |

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 | 167 | 2010 |

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 | 155 | 2003 |

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 | 144 | 1999 |

Capacitated facility location: valid inequalities and facets K Aardal, Y Pochet, LA Wolsey Mathematics of Operations Research 20 (3), 562-582, 1995 | 137 | 1995 |

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 | 125 | 2000 |

Hard equality constrained integer knapsacks K Aardal, AK Lenstra Mathematics of operations research 29 (3), 724-738, 2004 | 116 | 2004 |

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

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 | 109 | 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 | 101 | 2015 |

Time-dependent MEXCLP with start-up and relocation cost PL van den Berg, K Aardal European Journal of Operational Research 242 (2), 383-389, 2015 | 89 | 2015 |

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 | 86 | 2000 |

Polyhedral techniques in combinatorial optimization I: Theory K Aardal, CPM Van Hoesel Statistica Neerlandica 50 (1), 3-26, 1996 | 72 | 1996 |

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 | 70 | 1990 |

Reformulation of capacitated facility location problems: how redundant information can help K Aardal Annals of Operations Research 82 (0), 289-308, 1998 | 69 | 1998 |

Enhancing flexible transport services with demand-anticipatory insertion heuristics M Van Engelen, O Cats, H Post, K Aardal Transportation Research Part E: Logistics and Transportation Review 110, 110-121, 2018 | 67 | 2018 |

An optimisation algorithm for maximum independent set with applications in map labelling B Verweij, K Aardal Algorithms-ESA’99: 7th Annual European Symposium Prague, Czech Republic …, 1999 | 65 | 1999 |