Research output per year
Research output per year
Personal profile
Research profile
Christopher Hojny is an assistant professor working at TU/e since October 2019. His main research topic is the development of efficient techniques to handle symmetries in mixed-integer programs. Besides symmetry handling, he is also interested in theoretical properties of integer programs (e.g., the existence of formulations with certain properties) and developing integer programming approaches to solve combinatorial optimization problems. Christopher is also a co-developer of the academic solver SCIP.
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Collaborations and top research areas from the last five years
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Computational Aspects of Relaxation Complexity
Averkov, G., Hojny, C. & Schymura, M., 2021, IPCO 2021. p. 368-382 15 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
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Mixed-Integer Programming Techniques for the Connected Max-k-Cut Problem
Hojny, C., Joormann, I., Lüthen, H. & Schmidt, M., Mar 2021, In: Mathematical Programming Computation. 13, p. 75-132 58 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access1 Citation (Scopus) -
Strong IP formulations need large coefficients
Hojny, C., Feb 2021, In: Discrete Optimization. 39, 24 p., 100624.Research output: Contribution to journal › Article › Academic › peer-review
Open Access1 Citation (Scopus) -
Knapsack polytopes: a survey
Hojny, C., Gally, T., Habeck, O., Lüthen, H., Matter, F., Pfetsch, M. E. & Schmitt, A., 1 Sep 2020, In: Annals of Operations Research. 292, p. 469-517 49 p.Research output: Contribution to journal › Article › Academic › peer-review
3 Citations (Scopus) -
Packing, partitioning, and covering symresacks
Hojny, C., 15 Sep 2020, In: Discrete Applied Mathematics. 283, p. 689-717 29 p.Research output: Contribution to journal › Article › Academic › peer-review
Prizes
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Preis für hervorragende wissenschaftliche Leistungen
Hojny, Christopher (Recipient), 2019
Prize: Other › Career, activity or publication related prizes (lifetime, best paper, poster etc.) › Scientific
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Computational Aspects of Relaxation Complexity
Christopher Hojny (Speaker)
26 May 2021Activity: Talk or presentation types › Invited talk › Scientific
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Computational Aspects of Relaxation Complexity
Christopher Hojny (Speaker)
21 May 2021Activity: Talk or presentation types › Contributed talk › Scientific
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Mixed-Integer Programming Techniques for the Connected Max-k-Cut Problem
Christopher Hojny (Speaker)
4 Jun 2020Activity: Talk or presentation types › Invited talk › Scientific
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Symretopes and Symresacks: A Framework for Deriving Generic and Problem Specific Symmetry Handling Inequalities
Christopher Hojny (Speaker)
9 Dec 2019Activity: Talk or presentation types › Invited talk › Scientific
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Strong IP Formulations Need Large Coefficients
Christopher Hojny (Speaker)
6 Sep 2019Activity: Talk or presentation types › Contributed talk › Scientific