Jack Koolen's Home page



   Professor of Mathematics

   School of Mathematical Sciences

   University of Science and Technology of China (USTC)


   Hefei, Anhui, China

   Tel:     +86-551-63600933

   Office:   Room 1625, Management and Research Building

   Email:  koolen@postech.ac.kr ; koolen@ustc.edu.cn


  • Eindhoven University of Technology (Ph. D. Mathematics)        My Supervisor: Andries E. Brouwer
  • Eindhoven University of Technology (M. Sc. Mathematics)

    Professional Experiences:

  • 2013.08~              : Professor, University of Science and Technology of China (USTC), Hefei, China.
  • 2005.02~2013.08 : Associate Professor, Postech, Pohang, Korea.
  • 2003.03~2005.01 : Visiting Assistant Professor, KAIST, Daejon, Korea.
  • 2002.01~2003.02 : Visiting Assistant Professor, Postech, Pohang, Korea.
  • 2001.08~2001.12 : Visiting Assistant Professor, University of Wisconsin, Madison, USA.
  • 1999.11~2001.08 : Scientific Assistant at Bielefeld University.
  • 1998.09~1999.09 : Scientific Assistant at Center for Mathematics and Computer Science, Amsterdam.
  • 1995.04~1998.08 : Post doctoral fellow at Kyushu University, Bielefeld University Royal Institute of Technology, Sweden, Oxford University and Lisbon University.

    Major Fields:

  • Algebraic Combinatorics.
  • Spectral Graph Theory.
  • Geometric Combinatorics.

    Selected Papers : 

    Workshop and Conference: