Multidimensional knapsack problems H Kellerer, U Pferschy, D Pisinger Knapsack problems, 235-283, 2004 | 3843 | 2004 |

Optimization of cardinality constrained portfolios with a hybrid local search algorithm D Maringer, H Kellerer Or Spectrum 25 (4), 481-495, 2003 | 220 | 2003 |

Selecting portfolios with fixed costs and minimum transaction lots H Kellerer, R Mansini, MG Speranza Annals of Operations Research 99 (1), 287-304, 2000 | 220 | 2000 |

Semi on-line algorithms for the partition problem H Kellerer, V Kotov, MG Speranza, Z Tuza Operations Research Letters 21 (5), 235-242, 1997 | 219 | 1997 |

Approximation algorithms for knapsack problems with cardinality constraints A Caprara, H Kellerer, U Pferschy, D Pisinger European Journal of Operational Research 123 (2), 333-345, 2000 | 214 | 2000 |

Introduction to NP-Completeness of knapsack problems H Kellerer, U Pferschy, D Pisinger Knapsack problems, 483-493, 2004 | 180 | 2004 |

Approximability and nonapproximability results for minimizing total flow time on a single machine H Kellerer, T Tautenhahn, G Woeginger SIAM Journal on Computing 28 (4), 1155-1166, 1999 | 172 | 1999 |

Approximating multiobjective knapsack problems T Erlebach, H Kellerer, U Pferschy Management Science 48 (12), 1603-1612, 2002 | 125 | 2002 |

Fully polynomial approximation schemes for a symmetric quadratic knapsack problem and its scheduling applications H Kellerer, VA Strusevich Algorithmica 57 (4), 769-795, 2010 | 106 | 2010 |

A new fully polynomial time approximation scheme for the knapsack problem H Kellerer, U Pferschy Journal of Combinatorial Optimization 3 (1), 59-71, 1999 | 105 | 1999 |

The multiple subset sum problem A Caprara, H Kellerer, U Pferschy SIAM Journal on Optimization 11 (2), 308-319, 2000 | 102 | 2000 |

The exact LPT-bound for maximizing the minimum completion time J Csirik, H Kellerer, G Woeginger Operations Research Letters 11 (5), 281-287, 1992 | 96 | 1992 |

Improved dynamic programming in connection with an FPTAS for the knapsack problem H Kellerer, U Pferschy Journal of Combinatorial Optimization 8 (1), 5-11, 2004 | 94 | 2004 |

Parallel machine scheduling with job assignment restrictions CA Glass, H Kellerer Naval Research Logistics (NRL) 54 (3), 250-257, 2007 | 85 | 2007 |

An efficient fully polynomial approximation scheme for the subset-sum problem H Kellerer, R Mansini, U Pferschy, MG Speranza Journal of Computer and System Sciences 66 (2), 349-370, 2003 | 81 | 2003 |

Scheduling problems for parallel dedicated machines under multiple resource constraints H Kellerer, VA Strusevich Discrete Applied Mathematics 133 (1-3), 45-68, 2003 | 70 | 2003 |

The multiple-choice knapsack problem H Kellerer, U Pferschy, D Pisinger Knapsack Problems, 317-347, 2004 | 69 | 2004 |

Algorithms for on-line bin-packing problems with cardinality constraints L Babel, B Chen, H Kellerer, V Kotov Discrete Applied Mathematics 143 (1-3), 238-251, 2004 | 65 | 2004 |

Algorithms for multiprocessor scheduling with machine release times H Kellerer IIE transactions 30 (11), 991-999, 1998 | 65 | 1998 |

Approximation schemes for ordered vector packing problems A Caprara, H Kellerer, U Pferschy Naval Research Logistics (NRL) 50 (1), 58-69, 2003 | 64 | 2003 |