FRANK DE MEIJER

Published Papers: 

• F. de Meijer and R. Sotirov. The Chvátal-Gomory procedure for Integer SDPs with applications in Combinatorial Optimization, Mathematical Programming, Series A, 209:323-395, 2024.

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• F. de Meijer and R. Sotirov. On integrality in semidefinite programming for discrete optimization. SIAM Journal on Optimization, 34(1):1071-1096, 2024.

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• D. Gijswijt and F. de Meijer. Automorphism groups of Cayley graphs generated by general transposition sets, The Electronic Journal of Combinatorics, 31(3), 2024. 

  

• F. de Meijer, R. Sotirov, A. Wiegele and S. Zhao. Partitioning through projections: strong SDP bounds for large graph partition problems. Computers and Operations Research, 151, March 2023. 
   

• F. de Meijer and R. Sotirov. 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, 2021. 
  Download Matlab implementation for transformation matrix for facial reduction here. 
   

• F. de Meijer and R. Sotirov. The quadratic cycle cover problem: special cases and efficient bounds. Journal of Combinatorial Optimization, 39:1096-1128, 2020

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Preprints:

• F. de Meijer and R. Sotirov. Lagrangian Duality for Mixed-Integer Semidefinite Programming: Theory and Algorithms, 2024. 

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• F. de Meijer, M. Siebenhofer, R. Sotirov and A. Wiegele. Spanning and Splitting: Integer Semidefinite Programming for the Quadratic Minimum Spanning Tree Problem, 2024. 

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• F. de Meijer, D. Gijswijt and R. Sotirov. Exploiting symmetries in optimal quantum circuit design, 2024.

 

Work in progress: ​​

• On improved SDP relaxations for the Quadratic Traveling Salesman Problem via cutting planes, single-authored project.

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Research visits:

• University of Waterloo, Canada, July 13-22, 2022. 

• Alpen-Adria-Universität Klagenfurt, Austria, June 14-21, 2021. 

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Conferences talks:

• SIAM Conference on Optimization, May 31-June 3, 2023, The Sheraton Grand Seatle, Seattle, Washington, US.

• International Conference on Continuous Optimization, July 25-28, 2022, Lehigh University, Bethlehem, PA, USA. 

• SIAM Conference on Optimization, July 20-23, 2021, virtual conference.

• LNMB 46th Conference on Mathematics of Operations Research, January 22, 2021, virtual conference.

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Seminar talks: 

• Discrete Optimization Seminar at Technische Universität Dortmund, Department of Mathematics, February 8, 2023. 

• Tutte Colloquium at University of Waterloo, Department of Combinatorics and Optimization, May 20, 2022.

• Combinatorial Optimization Seminar at Eindhoven University of Technology, Department of Mathematics and Computer Science, May 13, 2022. 

• Doctoral Seminar at Alpen-Adria-Universität Klagenfurt, Department of Mathematics, June 16, 2021. 

• OR Seminar at Tilburg University, Department of Econometrics and Operations Research, May 20, 2021. 

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Poster Presentations:

• Integer Programming and Combinatorial Optimization, June 27-29, 2022, Eindhoven University of Technology. 

• CRM/DIMACS Workshop on Mixed-Integer Nonlinear Programming, October 7-10, 2019, HEC Montréal. 

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​Attended workshops: 

• 50th LNMB Conference on Mathematics of Operations Research, January 13-15, 2025, Soesterberg, The Netherlands.

• Integer Programming and Combinatorial Optimization, June 27-29, 2022, Eindhoven University of Technology. 

• Mixed Integer Programming Workshop (MIP2021), May 24-27, 2021, virtual workshop. 

• POEMA Online Workshop 2, October 20, November 26 and December 11, 2020, virtual workshop. 

• CRM/DIMACS Workshop on Mixed-Integer Nonlinear Programming, October 7-10, 2019, HEC Montreal. 

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Grants/prizes:

• Excellent Teacher Award 2022-2023, course: Advanced Linear Algebra. Price awarded by Tilburg School of Economics and Management (TiSEM) to educational personal based on total student evaluation scores. 

• Meritorious Paper Award for paper `SDP-based bounds for the quadratic cycle cover problem via cutting plane augmented Lagrangian methods and reinforcement learning', awarded by editorial board of INFORMS Journal on Computing, 2021. 

• Jan Brouwer thesis award (category Economics, 2019) for my Master's thesis entitled 'Bounds on the minimum reload cycle cover problem', offered by the KHMW (Royal Holland Society of Sciences and Humanities). 

• Koopmans scholarship (academic year 2018-2019) offered by CentER Graduate School for Economics and Business

• Socrates Award 2014, nominated. Prize offered to best Dutch student on secondary education in the class of 2014. 

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My full C.V. can be downloaded here. 

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