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Alexander Hoen

Ph.D. Student
Zuse Institute Berlin
hoen(at)zib.de


About Me

I am a ph.d. researcher in the IOL group at Zuse-Institut Berlin. I am maintainer of the presolving library PaPILO and a developer in SCIP.

Research Interests

I study mixed integer linear programming, with a special interest in exact solving of mixed-integer programs.

Publications

  1. Certifying MIP-based Presolve Reductions for 0-1 Integer Linear Programs
    Alexander Hoen* , Andy Oertel, Ambros Gleixner, Jakob Nordström
    The 21st International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR), 2024.
    PDF Link BibTex

  2. Scylla: a Matrix-free Fix-propagate-and-project Heuristic for Mixed-integer Optimization
    Gioni Mexi*, Mathieu Besançon, Suresh Bolusani, Antonia Chmiela, Alexander Hoen, Ambros Gleixner
    Proceedings of Conference of the Society for Operations Research in Germany (GOR), 2023
    PDF Link

  3. Parallel Presolving Library for Integer and Linear Programming with Multiprecision Support
    Ambros Gleixner, Leona Gottwald, Alexander Hoen*
    INFORMS Journal on Computing 35(6):1329-1341
    PDF Code Link BibTex

  4. Enabling research through the SCIP optimization suite 8.0
    Mathieu Besançon, Ksenia Bestuzheva, Wei-Kun Chen, Antonia Chmiela, Tim Donkiewicz, Jasper Van Doornmalen, Leon Eifler, Oliver Gaul, Gerald Gamrath, Ambros Gleixner, Leona Gottwald, Christoph Graczyk, Katrin Halbig, Alexander Hoen, Christopher Hojny, Rolf van Der Hulst, Thorsten Koch, Marco Lübbecke, Stephen J Maher, Frederic Matter, Erik Mühmer, Benjamin Müller, Marc E Pfetsch, Daniel Rehfeldt, Steffan Schlein, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Boro Sofranac, Mark Turner, Stefan Vigerske, Fabian Wegscheider, Philipp Wellner, Dieter Weninger, Jakob Witzig
    ACM Transactions on Mathematical Software 49(2):1-21
    PDF Link

  5. SCIP8: rethinking nonlinear constraint representation and recent progress
    Mathieu Besançon, Ksenia Bestuzheva, Wei-Kun Chen, Antonia Chmiela, Tim Donkiewicz, Jasper Van Doornmalen, Leon Eifler, Oliver Gaul, Gerald Gamrath, Ambros Gleixner, Leona Gottwald, Christoph Graczyk, Katrin Halbig, Alexander Hoen, Christopher Hojny, Rolf van Der Hulst, Thorsten Koch, Marco Lübbecke, Stephen J Maher, Frederic Matter, Erik Mühmer, Benjamin Müller, Marc E Pfetsch, Daniel Rehfeldt, Steffan Schlein, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Boro Sofranac, Mark Turner, Stefan Vigerske, Fabian Wegscheider, Philipp Wellner, Dieter Weninger, Jakob Witzig
    23ème congrès annuel de la Société Française de Recherche Opérationnelle et d'Aide à la Décision
    PDF Link

  6. MIP-DD: A Delta Debugger for Mixed Integer Programming Solvers
    Alexander Hoen*, Dominik Kamp, Ambros Gleixner
    PDF Code submitted

  7. A diving heuristic for mixed-integer problems with unbounded semi-continuous variables
    Katrin Halbig, Alexander Hoen, Ambros Gleixner, Dieter Weninger
    PDF submitted

Technical Reports

  1. The SCIP Optimization Suite 9.0
    Suresh Bolusani, Mathieu Besançon, Ksenia Bestuzheva, Antonia Chmiela, João Dionísio, Tim Donkiewicz, Jasper van Doornmalen, Leon Eifler, Mohammed Ghannam, Ambros Gleixner, Christoph Graczyk, Katrin Halbig, Ivo Hedtke, Alexander Hoen, Christopher Hojny, Rolf van der Hulst, Dominik Kamp, Thorsten Koch, Kevin Kofler, Jurgen Lentz, Julian Manns, Gioni Mexi, Erik Mühmer, Marc E. Pfetsch, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Mark Turner, Stefan Vigerske, Dieter Weninger, Lixing Xu
    Technical Report
    PDF

  2. The SCIP Optimization Suite 8.0
    Ksenia Bestuzheva, Mathieu Besançon, Wei-Kun Chen, Antonia Chmiela, Tim Donkiewicz, Jasper van Doornmalen, Leon Eifler, Oliver Gaul, Gerald Gamrath, Ambros Gleixner, Leona Gottwald, Christoph Graczyk, Katrin Halbig, Alexander Hoen, Christopher Hojny, Rolf van der Hulst, Thorsten Koch, Marco Lübbecke, Stephen J. Maher, Frederic Matter, Erik Mühmer, Benjamin Müller, Marc E. Pfetsch, Daniel Rehfeldt, Steffan Schlein, Franziska Schlösser, Felipe Serrano, Yuji Shinano, Boro Sofranac, Mark Turner, Stefan Vigerske, Fabian Wegscheider, Philipp Wellner, Dieter Weninger, Jakob Witzig
    Technical Report
    PDF

Talks


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