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Personal profile

Research profile

Bart Jansen is an Assistant Professor in the Department of Mathematics and Computer Science at Eindhoven University of Technology (TU/e). His areas of expertise include algorithms, complexity theory, and graph theory. Bart’s research interests mainly concern parameterized (graph) algorithmics, with a special focus on provably effective preprocessing (kernelization). He is a member of NETWORKS, an NWO Gravitation project spanning multiple universities in the Netherlands. Its goal is to investigate the interplay between algorithms and stochastics to tackle complex problems on networks.

Bart’s main focus is on understanding the power of data reduction. In practice, the search for the exact solution to an NP-complete problem is often accelerated by orders of magnitude by adding a preprocessing phase. Before attempting to solve the problem, it is simplified by repeatedly applying reduction rules that do not change the answer. How can such reduction rules be developed systematically, how can we explain their success, and how can we predict estimate what types of reduction rules are useful for a certain application? These are questions that Bart attacks on a daily basis.


“Investigating efficient preprocessing algorithms is like exploring the lost continent of polynomial time. For decades, researchers believed there are no polynomial-time algorithms which are guaranteed to be useful in the search for exact answers to NP-complete problems. But we’re now discovering there is a rich variety of preprocessing algorithms to be found!”

Academic background

Bart Jansen received an MSc in Applied Computing Science from Utrecht University, the Netherlands, in 2009. He received a PhD from the same university in 2013. After working for one year as a postdoctoral researcher at the University of Bergen, Norway, he returned to the Netherlands to become Assistant Professor at TU/e. Bart received a VENI grant from NWO. In June 2014, Bart was awarded the Christiaan Huygens Prize in ICT.

Bart serves as co-chair of IPEC 2019 and is a program committee member of ICALP 2018, WG 2017, ESA 2016 and IPEC 2016. He is an Associate Editor for ACM Transactions on Algorithms (TALG), and on the Steering Committee of PACE (Parameterized Algorithms and Computational Experiments Challenge). He has been a speaker at a wide range of events, including the International Symposium on Parameterized and Exact Computation (IPEC 2017, Vienna, Austria), 2nd Highlights on Algorithms (HALG 2017, Berlin, Germany) and ACM-SIAM Symposium on Discrete Algorithms (SODA 2017, Barcelona, Spain).

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Research Output

  • 429 Citations
  • 36 Article
  • 22 Conference contribution
  • 4 Report
  • 3 Paper

Turing kernelization for finding long paths and cycles in restricted graph classes

Jansen, B. M. P., May 2017, In : Journal of Computer and System Sciences. 85, p. 18-37 20 p.

Research output: Contribution to journalArticleAcademicpeer-review

  • 6 Citations (Scopus)

    Kernelization lower bounds by cross-composition

    Bodlaender, H. L., Jansen, B. M. P. & Kratsch, S., 2014, In : SIAM Journal on Discrete Mathematics. 28, 1, p. 277-305 29 p.

    Research output: Contribution to journalArticleAcademicpeer-review

  • 115 Citations (Scopus)

    Fine-grained complexity analysis of two classic TSP variants

    de Berg, M. T., Buchin, K. A., Jansen, B. M. P. & Woeginger, G. J., 2016, 43rd International Colloquium on Automata, Languages and Programming (ICALP 2016), 11-15 July 2016, Rome, Italy. p. 1-14 5

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 12 Citations (Scopus)
    3 Downloads (Pure)

    Approximation and kernelization for chordal vertex deletion

    Jansen, B. M. P. & Pilipczuk, M., 2017, Proceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete Algorithms, 16-19 January 2017, Barcelona, Spain. Klein, P. N. (ed.). s.l.: Society for Industrial and Applied Mathematics (SIAM), p. 1399-1418 20 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 9 Citations (Scopus)

    Uniform kernelization complexity of hitting forbidden minors

    Giannopoulou, A. C., Jansen, B. M. P., Lokshtanov, D. & Saurabh, S., 1 Mar 2017, In : ACM Transactions on Algorithms. 13, 3, p. 1-35 35.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 8 Citations (Scopus)
    56 Downloads (Pure)


    Simplifying prior to solving

    B.M.P. Jansen (Recipient), 2018

    Prize: ERCStartingScientific

  • Best Paper Award MFCS 2016

    Bart Jansen (Recipient) & A. Pieterse (Recipient), 2016

    Prize: OtherCareer, activity or publication related prizes (lifetime, best paper, poster etc.)Scientific

  • Frontiers in Parameterized Preprocessing

    Bart Jansen (Recipient), Jul 2014

    Prize: NWOVeniScientific

  • Courses


    1/09/13 → …


    Data Sci & Engineering

    1/09/15 → …


    Student theses

    Efficient computation of fiber optic networks

    Author: van den Boogaart, A., 28 Jan 2019

    Supervisor: Jansen, B. (Supervisor 1) & van der Valk, F. (External person) (External coach)

    Student thesis: Master


    Exact algorithms for domination problems parameterized by tree-depth using polynomial space

    Author: Ambags, M., 30 Sep 2019

    Supervisor: Jansen, B. (Supervisor 1)

    Student thesis: Master


    Improving efficiency and robustness of the HRDCF for dedicated hardware implementation on FPGA

    Author: Corrias, R., 27 Mar 2017

    Supervisor: Geilen, M. (Supervisor 1), Jansen, B. (Supervisor 2), Peemen, M. (Supervisor 2) & Stuijk, S. (Supervisor 2)

    Student thesis: Master


    Lower bounds for preprocessing algorithms based on protrusion replacement

    Author: Wulms, J., 31 Aug 2016

    Supervisor: Jansen, B. (Supervisor 1)

    Student thesis: Master


    Point-feature labelling in the 1-Slider model: a fixed-parameter tractable algorithm

    Author: de Visser, L., 31 Aug 2015

    Supervisor: Jansen, B. (Supervisor 1)

    Student thesis: Master