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Dr. rer. nat. Matthias Walter


Research Assistant
    • RWTH Aachen University
    • Chair of Operations Research
    • Kackertstraße 7
    • 52072 Aachen
    •  
  • Email: walter(at)or.rwth-aachen.de
  • Phone: +49 241 80 93390
  • Fax: +49 241 80 92369
    • Office: B243
    • Office hours: by appointment


For (older) projects, see my Opens external link in current windowpersonal webpage.

Publications

  • M. Walter, P. Damci-Kurt, S. S. Dey and S. Kücükyavuz (2016).
    On a cardinality-constrained transportation problem with market choice. Operations Research Letters 44 (2016-): 170-173. [doi] [www] [bib] [ArXiv]
  • V. Kaibel, J. Lee, M. Walter and S. Weltge (2016).
    Extended Formulations for Independence Polytopes of Regular Matroids. Graphs and Combinatorics 32 (2016-): 1931-1944. [doi] [www] [bib]
  • M. Walter (2016).
    Investigating Polyhedra by Oracles and Analyzing Simple Extensions of Polytopes. Otto-von-Guericke Universität Magdeburg [www] [bib]
  • M. Conforti, V. Kaibel, M. Walter and S. Weltge (2015).
    Subgraph polytopes and independence polytopes of count matroids. Operations Research Letters 43 (2015-): 457-460. [doi] [www] [bib]
  • V. Kaibel and M. Walter (2015).
    Simple extensions of polytopes. Math. Program. Ser. B 154 (2015-): 381-406. [doi] [www] [bib]
  • M. Walter and K. Truemper (2013).
    Implementation of a unimodularity test. Math. Program. Ser. C 5 (2013-): 57-73. [bib]
  • M. Walter (2012).
    Sparsity of Lift-and-Project Cutting Planes. In Helber, S., Breitner, M., Rösch, D., Schön, C., Graf von der Schulenburg, J.-M., Sibbertsen, P., Steinbach, M., Weber, S. and Wolter, A. (Eds.) Operations Research Proceedings 2012. Springer International Publishing, [doi] [www] [bib]
  • M. Walter (2011).
    Sparsity of Lift-and-Project Cutting Planes. [www] [bib]

RepORts

  • M. Walter.
    Complete Description of Matching Polytopes with One Linearized Quadratic Term for Bipartite Graphs. repORt 2016-034, August 2016. [pdf] [bib]

Talks