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dr. M. Walter (Matthias)

Assistant Professor

About Me

I obtained my PhD at Otto-von-Guericke University Magdeburg. I work on solving techniques for mixed-integer programs (MIPs) on the practical side (branch-and-cut, branch-and-price) as well as polyhedral combinatorics on the theoretical side.

Expertise

Polytope
Formulation
Polynomials
Linear Programming
Integer Programming
Stable Set
Linear Programming
Integer

Publications

Recent
Walter, M. (2021). Face Dimensions of General-Purpose Cutting Planes for Mixed-Integer Linear Programs. In M. Singh, & D. P. Williamson (Eds.), Integer Programming and Combinatorial Optimization - 22nd International Conference, IPCO 2021, Proceedings (pp. 399-412). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 12707 LNCS). Springer. https://doi.org/10.1007/978-3-030-73879-2_28
Rodríguez-Heck, E., Stickler, K. , Walter, M., & Weltge, S. (2021). Persistency of linear programming relaxations for the stable set problem. Mathematical programming. https://doi.org/10.1007/s10107-020-01600-3
Rodríguez-Heck, E., Stickler, K. , Walter, M., & Weltge, S. (2020). Persistency of Linear Programming Relaxations for the Stable Set Problem. In D. Bienstock, & G. Zambelli (Eds.), Integer Programming and Combinatorial Optimization - 21st International Conference, IPCO 2020, Proceedings (pp. 351-363). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 12125 LNCS). Springer. https://doi.org/10.1007/978-3-030-45771-6_27
Fiorini, S., Guo, K., Macchia, M. , & Walter, M. (2019). Lower bound computations for the nonnegative rank. 41-44. Paper presented at 17th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2019, Enschede, Netherlands.

UT Research Information System

Contact Details

Visiting Address

University of Twente
Faculty of Electrical Engineering, Mathematics and Computer Science
Zilverling (building no. 11), room 4005
Hallenweg 19
7522NH  Enschede
The Netherlands

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Mailing Address

University of Twente
Faculty of Electrical Engineering, Mathematics and Computer Science
Zilverling  4005
P.O. Box 217
7500 AE Enschede
The Netherlands