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
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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.
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On the generalized $\vartheta$-number and related problems for highly…
Sinjorgo, L., & Sotirov, R. (Accepted/In press). On the generalized $\vartheta$-number and related problems for highly symmetric graphs. SIAM Journal on Optimization.
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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.
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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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Lower bounds for the bandwidth problem
Rendl, F., Sotirov, R., & Truden, C. (2021). Lower bounds for the bandwidth problem. Computers & Operations Research, 135, [105422].