Bio

Full Professor
Department of Econometrics & Operations Research, Tilburg University, The Netherlands
(Oct 2014 - present)

Associate Professor
Department of EOR, Tilburg University, The Netherlands 
(July 2009 - present)

Assistant Professor 
Department of EOR, Tilburg University, The Netherlands 
(March 2007 - July 2009)

Researcher
Department of EOR Tilburg University, The Netherlands 
(March 2006 - March 2007)

Honorable Appointment 
Department of Mathematics & Statistics, The University of Melbourne, Australia 
(March 2006 - Dec 2007)

Research Fellow 
Department of Mathematics & Statistics, The University of Melbourne, Australia 
(Sept 2004 - Feb 2006) 

Post Doctoral Fellow
Department of Computing and Software, McMaster University, Canada

and Department of Combinatorics and Optimization, University of Waterloo, Canada

(September 2003 - August 2004)

Expertise

Mathematical Programming, Combinatorial Optimization, Semidefinite Programming, Operations Research

Courses

Collaboration

Managerial duties:

  • Aug 2017 -  Dec 2022: Director of Graduate Studies Business
  • Sept 2016 - Sept 2017: member of the Faculty Council
  • Sept 2012 - Aug 2017: Research coordinator of the Operations Research group
  • Nov 2012 - Aug 2017: Education coordinator of the Operations Research group
  • Sept 2009 - Aug 2013: Treasurer of the Department of Econometrics and OR
     

Consulting:

  • AiMark marketing strategy for CZ  with Dr. J. Vera (Sept 1 - Dec 31, 2016)
  • AiMark marketing strategy for KPB Pijnenburg  with Dr. J. Vera (Sept 15 - Dec 31, 2015)
  • BHP--Billiton, Australia (Sept 2004 - Feb 2006)
     

Recent publications

  1. Facial reduction for symmetry reduced semidefinite and doubly nonnega…

    Hu, H., Sotirov, R., & Wolkowicz, H. (Accepted/In press). Facial reduction for symmetry reduced semidefinite and doubly nonnegative programs. Mathematical Programming .
  2. The maximum $k$-colorable subgraph problem and related problems

    Kuryatnikova, O., Sotirov, R., & Vera, J. C. (2022). The maximum $k$-colorable subgraph problem and related problems. INFORMS Journal on Computing, 34(1), 656-669.
  3. On the generalized ϑ-number and related problems for highly symmetric…

    Sinjorgo, L., & Sotirov, R. (2022). On the generalized ϑ-number and related problems for highly symmetric graphs. SIAM Journal on Optimization, 32(2), 1344-1378. ,
  4. SDP-based bounds for the Quadratic Cycle Cover Problem via cutting pl…

    de Meijer, F., & Sotirov, R. (2021). SDP-based bounds for the Quadratic Cycle Cover Problem via cutting plane augmented Lagrangian methods and reinforcement learning. INFORMS Journal on Computing, 33(4), 1262-1276.
  5. The linearization problem of a binary quadratic problem and its appli…

    Hu, H., & Sotirov, R. (2021). The linearization problem of a binary quadratic problem and its applications. Annals of Operations Research, 307(1-2), 229-249.

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