TU Berlin

Felix KönigPublications at COGA, TU Berlin

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Publications

Scheduling and Packing Malleable and Parallel Tasks with Precedence Constraints of Bounded Width.

Günther, Elisabeth and König, Felix G. and Megow, Nicole

Journal of Combinatorial Optimization, Vol. 27, pp. 164-181, 2014.

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Approximation Algorithms for Capacitated Location Routing.

Harks, Tobias and Matuschke, Jannik and König, Felix G.

Transportation Science, Vol. 47, pp. 3-22, 2013.

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Integrated Sequencing and Scheduling in Coil Coating.

Höhn, Wiebke and König, Felix G. and Lübbecke, Marco E. and Möhring, Rolf H.

Management Science, Vol. 57, pp. 647–666, 2011.

Finalist for the EURO Excellence in Practice Award 2009.

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Multi-dimensional commodity covering for tariff selection in transportation.

König, Felix G. and Matuschke, Jannik and Richter, Alexander

In Daniel Delling and Leo Liberti (ed.)12th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems, OpenAccess Series in Informatics (OASIcs), Vol. 25, pp. 58–70, Schloss Dagstuhl–Leibniz-Zentrum fuer Informatik, 2012.

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1D Vehicle Scheduling with Conflicts.

Gellert, Torsten J. and König, Felix G.

In Proceedings of the Workshop on Algorithm Engineering and Experiments, ALENEX 2011, pp. 107-115, Society for Industrial and Applied Mathematics, 2011.

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Scheduling and Packing Malleable Tasks with Precedence Constraints of Bounded Width.

Günther, Elisabeth and König, Felix G. and Megow, Nicole

In Approximation and Online Algorithms: 7th International Workshop, WAOA 2009, Lecture Notes in Computer Science, Vol. 5893, pp. 170-181, Springer, 2010.

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The Bin Scheduling Problem.

Günther, Elisabeth and König, Felix G. and Megow, Nicole

In Proceedings of the 9th Workshop on Models and Algorithms for Planning and Scheduling Problems (MAPSP 2009), 2009.

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Sorting with Complete Networks of Stacks.

König, Felix G. and Lübbecke, Marco E.

In Algorithms and Computation: 19th International Symposium, ISAAC 2008, Lecture Notes in Computer Science, Vol. 5369, pp. 896-907, Springer, 2008.

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Traffic Optimization under Route Constraints with Lagrangian Relaxation and Cutting Plane Methods.

König, Felix G.

In Operations Research Proceedings 2006, pp. 53-59, Springer, 2007.

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Solutions to Real-World Instances of PSPACE-Complete Stacking.

König, Felix G. and Lübbecke, Marco E. and Möhring, Rolf H. and Schäfer, Guido and Spenke, Ines

In Algorithms - ESA 2007: 15th Annual European Symposium, Lecture Notes in Computer Science, Vol. 4698, pp. 729-740, Springer, 2007.

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Preprints

An Integrated Approach to Tactical Logistics Network Optimization
Citation key Report-034-2012
Author Harks, Tobias and König, Felix G. and Matuschke, Jannik and Richter, Alexander and Schulz, Jens
Year 2012
Number 034
Institution Technische Universität Berlin, Institut für Mathematik
Abstract We propose a new mathematical model for the optimization of logistics networks on the tactical level. Main features include accurately modelled tariff structures and the integration of spatial and temporal consolidation effects via a cyclic pattern expansion. By using several graph-based gadgets, we are able to formulate our problem as a capacitated network design problem. To solve the model, we propose a local search procedure that re-routes flow of multiple commodities at once. Initial solutions are generated by various heuristics, relying on shortest path augmentations and LP techniques. As an important subproblem we identify the optimization of tariff selection on individual links, which we prove to be NP-hard and for which we derive exact as well as fast greedy approaches. We complement our heuristics by lower bounds from an aggregated mixed integer programming formulation with strengthened inequalities. In a case study from the automotive, chemical, and retail industry, we prove that most of our solutions are within a single-digit percentage of the optimum.
Bibtex Type of Publication Preprint
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Doctoral Thesis

Sorting with Objectives - Graph Theoretic Concepts in Industrial Optimization.

König, Felix G.

Doctoral thesis, Technische Universität Berlin, 2009.

Supervisors: Rolf H. Möhring and Peter Widmayer.

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Diploma Thesis

Verkehrsoptimierung unter Routennebenbedingungen mit Lagrange-Relaxation und Schnittebenenverfahren.

König, Felix G.

Diploma thesis, Technische Universität Berlin, 2005.

Supervisor: Rolf H. Möhring. Won the GOR-Diplomarbeitspreis 2006 (Master Thesis Award of the German Association for Operations Research). In German.

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