Activities

• Editors:
  • Algorithmica (1990 - Present)
  • Computer Science Review (2004 - Present)
  • Discrete Mathematics and Theoretical Computer Science (1997 - 2006)
  • Geometry and Computing, Springer Book Series (2004 - Present)
  • Journal of Combinatorial Optimization (1996 - Present)
  • Journal of IEICEJ (1983 - 1986)
  • Journal of Information Processing (1988 - 1994)
  • Transaction of IEICEJ (1989 - 1991)

• Program Committees:
  • Program Committee Cochair, 15th International Symposium on Graph Drawing (GD 2007), September 23-26, 2007, Sydney, Australia
  • 24th International Colloquim on Automata, Languages and Programming (ICALP'97), July 7-11, 1997, Bologna, Italy
  • The Second International Computing and Combinatorial Conference (COCOON'96), June 17-19, 1996, Hong Kong
  • The Fifth Scandinavian Workshop on Algorithm Theory (SWAT'96), July 3-5, 1996, Reykjavik, Iceland
  • ASP-DAC'95, 1995
  • Graph Drawing'94, October 10-12, 1994, Princeton, New Jersey, U.S.A.
  • IEEE Asian-Pacific Conference on Circuits and Systems (APCCAS'92), December 8-11, 1992, Sydney, Australia
  • Program Committee Chair, International Symposium on Algorithms and Computation (ISAAC'92), December 16-18, 1992, Nagoya, Japan
  • The Second Annual International Symposium on Algorithms, December 16-18, 1991, Taipei, Taiwan
  • 30th Anniversary IPSJ International Symposium, 1990
  • International Symposium on Circuits and Systems, 1985

• Others:
  • Advisory Board Member, Journal of Graph Algorithms and Applications (1995- Present)
  • Vice President, Information System Society, IEICE (1995-1996)
  • Steering Committee Member, Graph Drawing Workshop (1993-Present)
  • Advisory Committee Chair, International Symposium on Algorithms and Computation (ISAAC) (1990-Present)
  • Founder and Chair, Special Interest Group on Algorithms (SIGAL), IPSJ (1990-1992)
  • Symposium Chair, SIGAL'90 International Symposium, August 16-18, 1990, Tokyo, Japan

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