Concepedia

Hans Kellerer

HK

61

Publications

2.9K

Citations

29

H-Index

1988

Active since

Affiliations

University of Graz(Current)

University of Greenwich

Graz University of Technology

Hungarian Academy of Sciences

University of Bologna

Hans Kellerer is an author at University of Graz specializing in engineering, mathematical programming, and combinatorial optimization.

Top concepts

EngineeringCombinatorial OptimizationMathematical ProgrammingOperations ResearchComputer ScienceComputational ComplexityParallel ComputingApproximation TheoryDiscrete OptimizationSystems Engineering

Publications per year

1988–2023

61

Publications

61

Approximation algorithms for knapsack problems with cardinality constraints

Alberto Caprara, Hans Kellerer, Ulrich Pferschy et al. · European Journal of Operational Research · 2000 · 188 citations

Mathematical Programming, Engineering, Integer Optimization +10

Semi on-line algorithms for the partition problem

Hans Kellerer, M. Grazia Speranza, Źsolt Tuza · Operations Research Letters · 1997 · 178 citations

Mathematical Programming, Engineering, Algorithmic Library +7

Optimization of cardinality constrained portfolios with a hybrid local search algorithm

Dietmar Maringer, Hans Kellerer · OR Spectrum · 2003 · 172 citations

Mathematical Programming, Portfolio Optimization, Engineering +7

Selecting Portfolios with Fixed Costs and Minimum Transaction Lots

Hans Kellerer, Renata Mansini, M. Grazia Speranza · Annals of Operations Research · 2000 · 162 citations

Approximating Multiobjective Knapsack Problems

Thomas Erlebach, Hans Kellerer, Ulrich Pferschy · Management Science · 2002 · 113 citations

Mathematical Programming, Multiobjective Knapsack Problems, Pareto Frontier +15

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