Christopher Hojny

Dr. rer. nat.

Assistant Professor, Department of Mathematics and Computer Science, Discrete Mathematics

https://orcid.org/0000-0002-5324-8996

Emailc.hojny@tue.nl

4 Citations

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Integer programming Engineering & Materials Science

Polytopes Mathematics

Binary Mathematics

Jacks Engineering & Materials Science

Extended Formulations Mathematics

Symmetry Mathematics

LP Relaxation Mathematics

Graph Partitioning Mathematics

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Research Output 2016 2019

4 Citations
4 Article
2 Report
1 Conference contribution

Knapsack polytopes – a survey

Hojny, C., Gally, T., Habeck, O., Lüthen, H., Matter, F., Pfetsch, M. E. & Schmitt, A., 19 Sep 2019, In : Annals of Operations Research.

Research output: Contribution to journal › Article › Academic › peer-review

Convex hull

Coefficients

Valid inequalities

Integer

4 Citations (Scopus)

Polytopes associated with symmetry handling

Hojny, C. & Pfetsch, M. E., 1 May 2019, In : Mathematical Programming. 175, 1-2, p. 197-240 44 p.

Research output: Contribution to journal › Article › Academic › peer-review

Integer programming

Polytopes

Orbits

Symmetry

Binary

Sparsity of integer formulations for binary programs

Hojny, C., Lüthen, H. & Pfetsch, M. E., Sep 2019, In : Operations Research Letters. 47, 5, p. 348-352 5 p.

Research output: Contribution to journal › Article › Academic › peer-review

Traveling salesman problem

Sparsity

Polynomials

Binary

Integer

The SCIP Optimization Suite 6.0

Gleixner, A., Bastubbe, M., Eifler, L., Gally, T., Gottwald, R. L., Hendel, G., Hojny, C., Koch, T., Lübbecke, M. E., Maher, S. J., Miltenberger, M., Müller, B., Pfetsch, M. E., Puchert, C., Rehfeldt, D., Schlösser, F., Schubert, C., Serrano, F., Shinano, Y., Viernickel, J. M. & 4 others, Walter, M., Wegscheider, F., Witt, J. T. & Witzig, J., 2018, Zuse Institut Berlin. 42 p. (ZIB Report)

Research output: Book/Report › Report › Academic

Open Access

File

Decomposition

Integer programming

Jacks

Software packages

Costs

Extended formulations for column constrained orbitopes

Schmitt, A., Hojny, C. & Pfetsch, M. E., 2017, Operations Research Proceedings 2017. Kliewer, N., Ehmke, J. F. & Borndörfer, R. (eds.). Cham: Springer, p. 197-203 7 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

Extended Formulations

LP Relaxation

Graph Partitioning

Polytopes

Packing