Stochastic Optimization at IOR

Welcome to the Research Group of Professor Steffen Rebennack

The division of Stochastic Optimization belongs to the Institute of Operations Research.



Job Advertisements

  • Student assistants for Operations Research II
    We are seeking student assistants for the lecture "Einführung in das Operations Research II" during the winter semester 20/21. Please find further information here.
    Contact person: Marcel Sinske (marcel.sinske∂
  • Post-Doc
    We are seeking a Post-Doc (TV-L 13) in the area of mathematical optimization for the duration of three years with the possibility of extension for up to six years. The job announcement can be found here.
    Contact person: Steffen Rebennack (steffen.rebennack∂
  • Doctoral Student Position
    There are multiple topics available for the doctoral studies in the area of mathematical optimiztion, for example the design of algorithms for stochastic optimiaztion and the applications to power systems.
    There is also one position available for the project "COmPwise: Computing Optimal Piecewise Linear Functions and Their Applications" funded by the German Research Foundation.
    Contact person: Steffen Rebennack (steffen.rebennack∂
  • HiWi jobs available
    We are seeking student assistants with the intend for a longer term appointment.
    Contact person: Marcel Sinske (marcel.sinske∂



  • EURO 2021
    Steffen Rebennack is organizing the stream “Stochastic Optimization” for the EURO conference 2021. If you are interested in organizing a session, please contact Steffen Rebennack (steffen.rebennack∂

  • DFG Funding

    We thank the DFG for the support of the research project “COmPwise: Computing Optimal Piecewise Linear Functions and Their Applications".

  • EOSC Secretariat COVID-19
    We thank the „EOSC Secretariat“ for the support of the project „Optimal Spatiotemporal Antiviral Release under Uncertainty".

  • EJOR in 95th percentile
    The new CiteScore 2019 has been released. The “European Journal of Operational Research” has a CiteScore of 8.5 and ranks #7 in the category “Management Science and Operations Research” out of 161 journals, behind “Journal of Operations Management” (#1 @ 11.4) and before “Management Science” (#14 @ 7.0) and “Operations Research” (#30 @ 4.9).

  • Top 10%

    The article "Two-Stage Stochastic Minimum s-t Cut Problems: Formulations, Complexity and Decomposition Algorithms", Networks 75:235–258, 2020 by Steffen Rebennack, Oleg A. Prokopyev and Bismark Singh is among the top 10% of the most downloaded paper in the 12 months following online publication.

  • GOR-Bachelorpreis 2019
    Hendrik Otto has been awarded the GOR-Bachelorpreis for 2019 for his bachelor thesis about the topic "Deterministic Upper Bounds for Equality and Inequality Constrained Problems in Global Minimization". The bachelor thesis was advised jointly by Peter Kirst and Christian Füllner.
  • Honorable Mention
    Steffen Rebennack recieved together with Timo Lohmann an Honorable Mention at the ENRE Best Publication Award in Energy 2018 for the paper "Tailored Benders Decomposition for a Long-Term Power Expansion Model with Short-Term Demand Response", Management Science, 63(6):2027-2048, 2017.
  • Editor of EJOR
    Steffen Rebennack has been elected as one of six editors of the "European Journal of Operational Research" starting January 1st, 2018.