Prof. Dr. Stefan Weltge

Principal Investigator

Applied Geometry and Discrete Mathematics
Technical University of Munich
Boltzmannstr. 3, 85747 Garching


  • Dissertation 2016, Otto von Guericke University Magdeburg, Germany
  • 2016-2018: Postdoc, ETH Zurich, Switzerland
  • Since 2018: Tenure Track Assistant Professor for Discrete Mathematics, TUM


Research interests:

Discrete Optimization, Operations Research, Convex Geometry

Contact and further information


List of published previous research relevant to AdONE (selection)

A short proof that the extension complexity of the correlation polytope grows exponentially V Kaibel, S Weltge Discrete & Computational Geometry 53 (2), 397-401, 2015.

Lower bounds on the sizes of integer programs without additional variables V Kaibel, S Weltge Mathematical Programming 154 (1-2), 407-425, 2015.

Three enhancements for optimization-based bound tightening AM Gleixner, T Berthold, B Müller, S Weltge Journal of Global Optimization 67 (4), 731-757, 2017.

Optimality certificates for convex minimization and Helly numbers A Basu, M Conforti, G Cornuéjols, R Weismantel, S Weltge Operations Research Letters 45 (6), 671-674, 2017.

Lifting Linear Extension Complexity Bounds to the Mixed-Integer Setting A Cevallos, S Weltge, R Zenklusen Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, 788-807, 2018.