2020
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| Jakob Witzig, Ambros Gleixner |
Conflict-Driven Heuristics for Mixed Integer Programming
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INFORMS Journal on Computing, 2020 (accepted for publication, preprint available as ZIB-Report 19-08) |
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| Ambros Gleixner, Nils-Christian Kempke, Thorsten Koch, Daniel Rehfeldt, Svenja Uslu |
First Experiments with Structure-Aware Presolving for a Parallel Interior-Point Method
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Operations Research Proceedings 2019, 2020 (epub ahead of print, preprint available as ZIB-Report 19-39) |
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| Jo Devriendt, Ambros Gleixner, Jakob Nordström |
Learn to Relax: Integrating 0-1 Integer Linear Programming with Pseudo-Boolean Conflict-Driven Search
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Integration of AI and OR Techniques in Constraint Programming. CPAIOR 2020, LNCS, 2020 (accepted for publication) |
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| Ambros Gleixner, Daniel E. Steffy |
Linear Programming using Limited-Precision Oracles
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Mathematical Programming, 183(1-2), pp. 525-554, 2020 (preprint available as ZIB-Report 19-57) |
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| Benjamin Müller, Gonzalo Muñoz, Maxime Gasse, Ambros Gleixner, Andrea Lodi, Felipe Serrano |
On Generalized Surrogate Duality in Mixed-Integer Nonlinear Programming
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Integer Programming and Combinatorial Optimization: 21th International Conference, IPCO 2020, 2020 (accepted for publication, preprint available as ZIB-Report 19-55) |
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| Felipe Serrano, Robert Schwarz, Ambros Gleixner |
On the relation between the extended supporting hyperplane algorithm and Kelley’s cutting plane algorithm
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Journal of Global Optimization, 2020 (epub ahead of print) |
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| Ambros Gleixner, Stephan Maher, Benjamin Müller, João Pedro Pedroso |
Price-and-verify: a new algorithm for recursive circle packing using Dantzig–Wolfe decomposition
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Annals of Operations Research, 284(2), pp. 527-555, 2020 (preprint available as ZIB-Report 17-07) |
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| Gerald Gamrath, Daniel Anderson, Ksenia Bestuzheva, Wei-Kun Chen, Leon Eifler, Maxime Gasse, Patrick Gemander, Ambros Gleixner, Leona Gottwald, Katrin Halbig, Gregor Hendel, Christopher Hojny, Thorsten Koch, Pierre Le Bodic, Stephen J. Maher, Frederic Matter, Matthias Miltenberger, Erik Mühmer, Benjamin Müller, Marc Pfetsch, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Christine Tawfik, Stefan Vigerske, Fabian Wegscheider, Dieter Weninger, Jakob Witzig |
The SCIP Optimization Suite 7.0
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ZIB-Report 20-10 |
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| Benjamin Müller, Felipe Serrano, Ambros Gleixner |
Using two-dimensional Projections for Stronger Separation and Propagation of Bilinear Terms
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SIAM Journal on Optimization, 30(2), pp. 1339-1365, 2020 (preprint available as ZIB-Report 19-15) |
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2019
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| Daniel Rehfeldt, Hannes Hobbie, David Schönheit, Ambros Gleixner, Thorsten Koch, Domink Möst |
A massively parallel interior-point solver for linear energy system models with block structure
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ZIB-Report 19-41 |
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| Thomas Breuer, Michael Bussieck, Frederik Fiand, Karl-Kiên Cao, Hans Christian Gils, Manuel Wetzel, Ambros Gleixner, Thorsten Koch, Daniel Rehfeldt, Dmitry Khabi |
BEAM-ME: Ein interdisziplinärer Beitrag zur Erreichung der Klimaziele
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OR-News : das Magazin der GOR, pp. 6-8, 2019 |
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| Ambros Gleixner, Daniel E. Steffy |
Linear Programming using Limited-Precision Oracles
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A. Lodi, V. Nagarajan (eds), Integer Programming and Combinatorial Optimization: 20th International Conference, IPCO 2019, pp. 399-412, 2019 |
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| Ambros Gleixner, Gregor Hendel, Gerald Gamrath, Tobias Achterberg, Michael Bastubbe, Timo Berthold, Philipp M. Christophel, Kati Jarck, Thorsten Koch, Jeff Linderoth, Marco Lübbecke, Hans D. Mittelmann, Derya Ozyurt, Ted K. Ralphs, Domenico Salvagnin, Yuji Shinano |
MIPLIB 2017: Data-Driven Compilation of the 6th Mixed-Integer Programming Library
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Mathematical Programming Computation, 2019 (revision under review) |
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| Felipe Serrano, Robert Schwarz, Ambros Gleixner |
On the Relation between the Extended Supporting Hyperplane Algorithm and Kelley’s Cutting Plane Algorithm
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2019 (under review, preprint available as ZIB-Report 19-18) |
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| Fabio Furini, Emiliano Traversi, Pietro Belotti, Antonio Frangioni, Ambros Gleixner, Nick Gould, Leo Liberti, Andrea Lodi, Ruth Misener, Hans Mittelmann, Nikolaos V. Sahinidis, Stefan Vigerske, Angelika Wiegele |
QPLIB: A Library of Quadratic Programming Instances
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Mathematical Programming Computation, 11(2), pp. 237-265, 2019 |
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| Tobias Weber, Sebastian Sager, Ambros Gleixner |
Solving Quadratic Programs to High Precision using Scaled Iterative Refinement
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Mathematical Programming Computation, Vol.11, pp. 421-455, 2019 (preprint available as ZIB-Report 18-04) |
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| Gerald Gamrath, Ambros Gleixner, Thorsten Koch, Matthias Miltenberger, Dimitri Kniasew, Dominik Schlögel, Alexander Martin, Dieter Weninger |
Tackling Industrial-Scale Supply Chain Problems by Mixed-Integer Programming
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Journal of Computational Mathematics, Vol.37, pp. 866-888, 2019 (preprint available as ZIB-Report 16-45) |
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2018
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| Leon Eifler, Ambros Gleixner, Jonad Pulaj |
Chvátal’s Conjecture Holds for Ground Sets of Seven Elements
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ZIB-Report 18-49 |
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| Alexander Georges, Ambros Gleixner, Gorana Gojic, Robert Lion Gottwald, David Haley, Gregor Hendel, Bartlomiej Matejczyk |
Feature-Based Algorithm Selection for Mixed Integer Programming
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ZIB-Report 18-17 |
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| Jakob Witzig, Isabel Beckenbach, Leon Eifler, Konstantin Fackeldey, Ambros Gleixner, Andreas Grever, Marcus Weber |
Mixed-Integer Programming for Cycle Detection in Non-reversible Markov Processes
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Multiscale Modeling and Simulation, 16(1), pp. 248-265, 2018 (preprint available as ZIB-Report 16-39) |
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| Thomas Breuer, Michael Bussieck, Karl-Kien Cao, Felix Cebulla, Frederik Fiand, Hans Christian Gils, Ambros Gleixner, Dmitry Khabi, Thorsten Koch, Daniel Rehfeldt, Manuel Wetzel |
Optimizing Large-Scale Linear Energy System Problems with Block Diagonal Structure by Using Parallel Interior-Point Methods
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Operations Research Proceedings 2017, pp. 641-647, 2018 (preprint available as ZIB-Report 17-75) |
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| Stefan Vigerske, Ambros Gleixner |
SCIP: Global Optimization of Mixed-Integer Nonlinear Programs in a Branch-and-Cut Framework
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Optimization Methods & Software, 33(3), pp. 563-593, 2018 (preprint available as ZIB-Report 16-24) |
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| Ambros Gleixner, Michael Bastubbe, Leon Eifler, Tristan Gally, Gerald Gamrath, Robert Lion Gottwald, Gregor Hendel, Christopher Hojny, Thorsten Koch, Marco Lübbecke, Stephen J. Maher, Matthias Miltenberger, Benjamin Müller, Marc E. Pfetsch, Christian Puchert, Daniel Rehfeldt, Franziska Schlösser, Christoph Schubert, Felipe Serrano, Yuji Shinano, Jan Merlin Viernickel, Matthias Walter, Fabian Wegscheider, Jonas T. Witt, Jakob Witzig |
The SCIP Optimization Suite 6.0
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ZIB-Report 18-26 |
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2017
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| Stephen J. Maher, Tobias Fischer, Tristan Gally, Gerald Gamrath, Ambros Gleixner, Robert Lion Gottwald, Gregor Hendel, Thorsten Koch, Marco Lübbecke, Matthias Miltenberger, Benjamin Müller, Marc E. Pfetsch, Christian Puchert, Daniel Rehfeldt, Sebastian Schenker, Robert Schwarz, Felipe Serrano, Yuji Shinano, Dieter Weninger, Jonas T. Witt, Jakob Witzig |
The SCIP Optimization Suite 4.0
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ZIB-Report 17-12 |
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| Ambros Gleixner, Leon Eifler, Tristan Gally, Gerald Gamrath, Patrick Gemander, Robert Lion Gottwald, Gregor Hendel, Christopher Hojny, Thorsten Koch, Matthias Miltenberger, Benjamin Müller, Marc E. Pfetsch, Christian Puchert, Daniel Rehfeldt, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Jan Merlin Viernickel, Stefan Vigerske, Dieter Weninger, Jonas T. Witt, Jakob Witzig |
The SCIP Optimization Suite 5.0
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ZIB-Report 17-61 |
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| Ambros Gleixner, Timo Berthold, Benjamin Müller, Stefan Weltge |
Three Enhancements for Optimization-Based Bound Tightening
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Journal of Global Optimization, 67(4), pp. 731-757, 2017 (preprint available as ZIB-Report 15-16) |
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| Kevin K. H. Cheung, Ambros Gleixner, Daniel E. Steffy |
Verifying Integer Programming Results
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F. Eisenbrand and J. Koenemann, eds., Integer Programming and Combinatorial Optimization: 19th International Conference, IPCO 2017, pp. 148-160, Vol.10328, LNCS, 2017 (preprint available as ZIB-Report 16-58) |
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2016
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| Ambros Gleixner, Daniel E. Steffy, Kati Wolter |
Iterative Refinement for Linear Programming
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INFORMS Journal on Computing, 28(3), pp. 449-464, 2016 (preprint available as ZIB-Report 15-15) |
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| Karl-Kiên Cao, Ambros Gleixner, Matthias Miltenberger |
Methoden zur Reduktion der Rechenzeit linearer Optimierungsmodelle in der Energiewirtschaft - Eine Performance-Analyse
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EnInnov 2016: 14. Symposium Energieinnovation 2016, 2016 |
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| Gerald Gamrath, Tobias Fischer, Tristan Gally, Ambros Gleixner, Gregor Hendel, Thorsten Koch, Stephen J. Maher, Matthias Miltenberger, Benjamin Müller, Marc E. Pfetsch, Christian Puchert, Daniel Rehfeldt, Sebastian Schenker, Robert Schwarz, Felipe Serrano, Yuji Shinano, Stefan Vigerske, Dieter Weninger, Michael Winkler, Jonas T. Witt, Jakob Witzig |
The SCIP Optimization Suite 3.2
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ZIB-Report 15-60 |
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| Fabio D'Andreagiovanni, Ambros Gleixner |
Towards an accurate solution of wireless network design problems
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Cerulli R., Fujishige S., Mahjoub A. (eds) Combinatorial Optimization. ISCO 2016, pp. 135-147, 2016 (preprint available as ZIB-Report 16-12) |
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2015
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| Gerald Gamrath, Anna Melchiori, Timo Berthold, Ambros Gleixner, Domenico Salvagnin |
Branching on Multi-aggregated Variables
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Integration of AI and OR Techniques in Constraint Programming. CPAIOR 2015, pp. 141-156, Vol.9075, Lecture Notes in Computer Science, 2015 (preprint available as ZIB-Report 15-10) |
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Ambros Gleixner
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Exact and Fast Algorithms for Mixed-Integer Nonlinear Programming
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Doctoral thesis, Technische Universität Berlin, Martin Grötschel, Thorsten Koch, Andrea Lodi (Advisors), 2015, isbn: 978-3-8325-4190-3 |
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2014
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| Timo Berthold, Ambros Gleixner |
Undercover: a primal MINLP heuristic exploring a largest sub-MIP
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Mathematical Programming, 144(1-2), pp. 315-346, 2014 (preprint available as ZIB-Report 12-07) |
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2013
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| Ambros Gleixner, Stefan Weltge |
Learning and Propagating Lagrangian Variable Bounds for Mixed-Integer Nonlinear Programming
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Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems, 10th International Conference, CPAIOR 2013, Yorktown Heights, NY, USA, May 18-22, 2013, pp. 355-361, Vol.7874, Lecture Notes in Computer Science, 2013 (preprint available as ZIB-Report 13-04) |
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| Timo Berthold, Ambros Gleixner |
Undercover Branching
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Experimental Algorithms, 12th International Symposium, SEA 2013, Rome, Italy, June 5-7, 2013, Proceedings, Vincenzo Bonifaci, Camil Demetrescu, Alberto Marchetti-Spaccamela (Eds.), pp. 212-223, Vol.7933, Lecture Notes in Computer Science, 2013 (preprint available as ZIB-Report 13-14) |
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2012
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| Timo Berthold, Ambros Gleixner, Stefan Heinz, Stefan Vigerske |
Analyzing the computational impact of MIQCP solver components
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Numerical Algebra, Control and Optimization, 2(4), pp. 739-748, 2012 (preprint available as ZIB-Report 13-08) |
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| Andreas Bley, Ambros Gleixner, Thorsten Koch, Stefan Vigerske |
Comparing MIQCP Solvers to a Specialised Algorithm for Mine Production Scheduling
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Modeling, Simulation and Optimization of Complex Processes. Proceedings of the Fourth International Conference on High Performance Scientific Computing, March 2-6, 2009, Hanoi, Vietnam, pp. 25-39, 2012 (preprint available as ZIB-Report 09-32) |
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Ambros Gleixner
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Factorization and update of a reduced basis matrix for the revised simplex method
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ZIB-Report 12-36 |
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| Ambros Gleixner, Daniel E. Steffy, Kati Wolter |
Improving the Accuracy of Linear Programming Solvers with Iterative Refinement
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ISSAC '12. Proceedings of the 37th International Symposium on Symbolic and Algebraic Computation, pp. 187-194, 2012 (preprint available as ZIB-Report 12-19) |
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| Timo Berthold, Ambros Gleixner, Stefan Heinz, Thorsten Koch, Yuji Shinano |
SCIP Optimization Suite を利用した 混合整数(線形/非線形) 計画問題の解法
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Proceedings of the 24th RAMP symposium. The Operations Society of Japan, RAMP: Research Association of Mathematical Programming, pp. 165-192, 2012 (preprint available as ZIB-Report 12-24) |
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| Timo Berthold, Gerald Gamrath, Ambros Gleixner, Stefan Heinz, Thorsten Koch, Yuji Shinano |
Solving mixed integer linear and nonlinear problems using the SCIP Optimization Suite
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ZIB-Report 12-27 |
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| Ambros Gleixner, Harald Held, Wei Huang, Stefan Vigerske |
Towards globally optimal operation of water supply networks
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Numerical Algebra, Control and Optimization, 2(4), pp. 695-711, 2012 (preprint available as ZIB-Report 12-25) |
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2011
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| Thorsten Koch, Tobias Achterberg, Erling Andersen, Oliver Bastert, Timo Berthold, Robert E. Bixby, Emilie Danna, Gerald Gamrath, Ambros Gleixner, Stefan Heinz, Andrea Lodi, Hans Mittelmann, Ted Ralphs, Domenico Salvagnin, Daniel E. Steffy, Kati Wolter |
MIPLIB 2010
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Mathematical Programming Computation, 3(2), pp. 103-163, 2011 (preprint available as ZIB-Report 10-31) |
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| Timo Berthold, Ambros Gleixner, Stefan Heinz, Stefan Vigerske |
On the computational impact of MIQCP solver components
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ZIB-Report 11-01 |
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2010
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| Timo Berthold, Ambros Gleixner |
Undercover – a primal heuristic for MINLP based on sub-MIPs generated by set covering
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Proceedings of the European Workshop on Mixed Integer Nonlinear Programming, April 12-16, 2010, Marseilles, France, Pierre Bonami, Leo Liberti, Andrew J. Miller, Annick Sartenaer (Eds.), pp. 103-112, 2010 (preprint available as ZIB-Report 09-40) |
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2009
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| Natashia Boland, Irina Dumitrescu, Gary Froyland, Ambros Gleixner |
LP-based disaggregation approaches to solving the open pit mining production scheduling problem with block processing selectivity
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Computers & Operations Research, Vol.36, pp. 1064-1089, 2009 |
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2008
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Ambros Gleixner
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Solving Large-scale Open Pit Mining Production Scheduling Problems by Integer Programming
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Master's thesis, Technische Universität Berlin, 2008 (preprint available as ) |
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