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  • Phone: +49 228 738770
  • E-Mail: (lastname) (at)

Information for (prospective) students

Fields of work:

  • Combinatorial optimization
  • Algorithms for chip design
  • Traveling salesman problem and vehicle routing

Research projects


  • S. Hougardy, J. Vygen :
    Algorithmic Mathematics
    Second German Edition 2018
    English Edition 2016
    More Information

  • B. Korte, J. Vygen :
    Combinatorial Optimization: Theory and Algorithms
    Algorithms and Combinatorics 21, Springer
    Sixth Edition 2018
    translations into Japanese, German, French, Italian, Chinese, and Russian
    More Information

  • W.J. Cook, L. Lovász, J. Vygen (Eds.) :
    Research Trends in Combinatorial Optimization
    (workshop at Bonn 2008)
    Springer 2009
    More Information

  • J. Lee, J. Vygen (Eds.) :
    Integer Programming and Combinatorial Optimization
    (Proceedings of IPCO 2014)
    LNCS 8494
    Springer 2014
    More Information

Further Publications

Upcoming courses (winter term 2019/20):

  • in addition, ongoing: graduate seminar on chip design, practical training courses, Oberseminar, seminars accompanying bachelor's and master's theses
  • previous courses

Invited lectures

Current memberships in editorial boards and program committees: