Professional Activities

Invited Talks

• Invited minisymposium speaker at the SIAM Conference on Geometric and Physical Design, Orlando, Florida, USA, Oct 24-27, 2011.
• Keynote speaker at the International Symposium on Education and Computer Science, Wuhan, China, Mar 7-8, 2009.
• Invited speaker at the RIMS Workshop on Computational Geometry and Discrete Mathematics, Kyoto, Japan, Oct 16-18, 2008.
• Invited plenary speaker at the 9th SIAM Conference on Geometric Design and Computing, Phoenix, Arizona, USA, Oct 30-Nov 3, 2005.
• Invited speaker at The Japan SIAM Annual Conference, Tokyo, Japan, Sep 16-18, 2004.

Editorship

• Associate editor of International Journal of Computational Geometry and Applications.
• Algorithmic Aspects in Information and Management, Lecture Notes in Computer Science, Springer-Verlag, volume 4041/2006, June 2006. Co-edited with Chung-Keung Poon.
• Special issue Volume and Surface Triangulations, International Journal on Foundations of Computer Science, volume 13, number 2, April 2002. Guest co-edited with Tamal K. Dey.

Board/Steering Committees

• Advisory committee member of the International Symposium on Algorithms and Computation (ISAAC).
• Founding board member of the Asian Association for Algorithms and Computation (AAAC).
• Advisory board member of the 21st Century Center of Excellence (COE) International Symposium on Voronoi Diagrams in Science and Engineering, September 13--15, 2004, University of Tokyo, Japan.

Program committees

• PC member of the 39th International Colloquium on Automata, Languages and Programming, July 9-13, 2012, University of Warwick, UK.
• PC member of the 23rd International Symposium on Algorithms and Computation, December 19-21, 2012, National Taiwan University, Taiwan.
• PC member of the Workshop on Algorithms and Computation, February 15-17, 2012, Dhaka, Bangladesh.
• PC member of the 3rd International Conference on Contemporary Computing, August 9-11, 2010, Nodia, India.
• PC member of the 4th Annual International Frontiers of Algorithmics Workshop, August 11-13, 2010, Wuhan, China.
• PC member of the 16th International Computing and Combinatorics Conference, July 19-21, 2010, Nha Trang, Vietnam.
• PC member of the 20th International Symposium on Algorithm and Computation, December 16-18, 2009, Hawaii, USA.
• PC member of the 20th Canadian Conference on Computational Geometry, August 13-15, 2008, Montreal, Canada.
• PC member of the 6th Annual Symposium on Geometry Processing, July 2-4, 2008, Copenhagen, Denmark.
• PC member of the 24th Annual Symposium on Computational Geometry, June, 2008, Maryland, Baltimore, USA.
• PC member of the 18th International Symposium on Algorithms and Computation, December 17-19, 2007, Sendai, Japan.
• PC member of the 3rd International Conference on Algorithmic Aspects in Information and Management, June 6-8, 2007, Portland, Oregon, USA.
• Program co-chair of the 2nd International Conference on Algorithmic Aspects in Information and Management, June 20-22, 2006, Hong Kong.
• PC member of the 12th Annual International Computing and Combinatorics Conference, August 15-18, 2006, Taiwan.
• PC member of the 9th International Conference on Computer-Aided Design and Computer Graphics, Dec 7-10, 2005, Hong Kong.
• PC member of the 11th Annual International Computing and Combinatorics Conference, August 16-19, 2004, Kunming, China.
• PC member of the 15th Annual International Symposium on Algorithms and Computation, December 2004, Hong Kong.
• PC member of the 18th Annual Symposium on Computational Geometry, June 5-7, 2002, Barcelona, Spain.
• PC member of the 8th Annual International Computing and Combinatorics Conference, August 15-17, 2002, Singapore.
• PC member of Workshop on Algorithms and Theory of Computation (ICS 2000), December 6-8, 2000, National Chung Cheng University, Chia-Yi, Taiwan.
• PC member (track 1) of the IFIP International Conference on Theoretical Computer Science (IFIP TCS2000), August 17-19, 2000, Tohoku University, Sendai, Japan.
• PC member of the Third Annual International Computing and Combinatorics Conference, August 20-22 1997, Shanghai, China.
• PC member of the 16th Foundations on Software Technology & Theoretical Computer Science (FST&TCS), December 18-20 1996, India.
• PC member of the Fifth Annual International Symposium on Algorithms and Computation (ISAAC), August 25-27, 1994, Beijing, China.