Invited Talks

·       Invited Speaker at the 8th Annual Meeting of the Asian Association for Algorithms and Compuation, Hiroshima, Japan, May 9-10, 2015.

·       Invited Speaker at the International Seminar on Geometric Computation, Nanning, China, February 2-4, 2015.

·       Invited Speaker at Tetrahedron IV, Verbania, Italy, July 1-3, 2013.

·       Plenary speaker at the National Conference on Theoretical Computer Science, Hainan, China, Aug 17-19, 2012.

·       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.

·       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

·       Editorial board member of Computing in Geometry and Topology, October 2021 – present.

·       Editorial board member of Computational Geometry: Theory and Applications, March 2015 - present.

·       Editorial board member of Journal of Computational Geometry, July 2015 – May 1, 2022.

·       Associate editor of International Journal of Computational Geometry and Applications, November 2008 – May 1, 2022.

·       Area co-editor (Certified Reconstruction and Mesh Generation), Encyclopedia of Algorithms, 2016, Springer, editor-in-chief: Ming-Yang Kao.  Co-edited with Tamal Dey.

·       Special issue of Discrete and Computational Geometry, vol. 53, issue 3, April 2015, dedicated to the Symposium on Computational Geometry, 2014. Co-edited with Olivier Devillers.

·       Special issue of Journal of Computational Geometry, vol. 6, no. 2 (2015), dedicated to the Symposium on Computational Geometry, 2014. Co-edited with Olivier Devillers.

·       Special issue of Algorithmica, vol. 73, issue 4, December 2015, dedicated to the International Symposium on Algorithms and Computation, 2013.  Co-edited with Leizhen Cai and Tak-Wah Lam.

·       Special issue Volume and Surface TriangulationsInternational Journal on Foundations of Computer Science, volume 13, number 2, April 2002. Guest co-edited with Tamal K. Dey.

Professional Bodies

·       Advisory committee member of the International Symposium on Algorithms and Computation (ISAAC).

·       Chair of the Asian Association for Algorithms and Computation (AAAC).

·       Expert Review Panel member of the Hogn Kong R&D Centre for Logistics and Supply Chain Management Enabling Technologies, 2017-2018.

·       Member of the Accreditation Committee for Computer Science Programmes, The Hong Kong Institution of Engineers, session 2016-17.

·       Member of the Working Group on Accreditation Criteria for Computer Science Programmes, The Hong Kong Institution of Engineers, 2014.

·       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 Chair

·       Co-chair of the 31st International Symposium on Algorithms and Computation, December 14 – 18, 2020, Hong Kong.

·       Co-chair of the 30th Annual Symposium on Computational Geometry, June 8-11, 2014, Kyoto, Japan.

·       Co-chair of the 24th International Symposium on Algorithms and Computation, December 16018, 2013, Hong Kong.

·       Co-chair of the 2nd International Conference on Algorithmic Aspects in Information and Management, June 20-11, 2006, Hong Kong.

Program Committees

·       The 31th International Symposium on Algorithms and Computation, December 14 – 18, 2020, Hong Kong.

·       The 34th International Symposium on Computational Geometry, June 11-14, 2018, Budapest, Hungary.

·       The 27th ACM--SIAM Symposium on Discrete Algorithms, January 10-12, 2016, Arlington, Virginia, USA.

·       The 14th Scandinavian Symposium and Workshops on Algorithm Theory, July 2-4, 2014, Copenhagen, Denmark.

·       The 30th Annual Symposium on Computational Geometry, June 8-11, 2014, Kyoto, Japan.

·       The 24th International Symposium on Algorithms and Computation, December 16-18, 2013, Hong Kong.

·       The 13rd Biennual Algorithms and Data Structures Symposium, August 12-14, 2013, Ontario, Canada.

·       The 29th Annual Symposium on Computational Geometry, June 17-20, 2013, Rio de Janeiro, Brazil.

·       The 23rd International Symposium on Algorithms and Computation, December 19-21, 2012, National Taiwan University, Taiwan.

·       The 39th International Colloquium on Automata, Languages and Programming, July 9-13, 2012, University of Warwick, UK.

·       The Workshop on Algorithms and Computation, February 15-17, 2012, Dhaka, Bangladesh.

·       The 3rd International Conference on Contemporary Computing, August 9-11, 2010, Nodia, India.

·       The 4th Annual International Frontiers of Algorithmics Workshop, August 11-13, 2010, Wuhan, China.

·       The 16th International Computing and Combinatorics Conference, July 19-21, 2010, Nha Trang, Vietnam.

·       The 20th International Symposium on Algorithm and Computation, December 16-18, 2009, Hawaii, USA.

·       The 20th Canadian Conference on Computational Geometry, August 13-15, 2008, Montreal, Canada.

·       The 6th Annual Symposium on Geometry Processing, July 2-4, 2008, Copenhagen, Denmark.

·       The 24th Annual Symposium on Computational Geometry, June, 2008, Maryland, Baltimore, USA.

·       The 18th International Symposium on Algorithms and Computation, December 17-19, 2007, Sendai, Japan.

·       The 3rd International Conference on Algorithmic Aspects in Information and Management, June 6-8, 2007, Portland, Oregon, USA.

·       The 2nd International Conference on Algorithmic Aspects in Information and Management, June 20-22, 2006, Hong Kong.

·       The 12th Annual International Computing and Combinatorics Conference, August 15-18, 2006, Taiwan.

·       The 9th International Conference on Computer-Aided Design and Computer Graphics, Dec 7-10, 2005, Hong Kong.

·       The 11th Annual International Computing and Combinatorics Conference, August 16-19, 2004, Kunming, China.

·       The 15th Annual International Symposium on Algorithms and Computation, December 2004, Hong Kong.

·       The 18th Annual Symposium on Computational Geometry, June 5-7, 2002, Barcelona, Spain.

·       The 8th Annual International Computing and Combinatorics Conference, August 15-17, 2002, Singapore.

·       Workshop on Algorithms and Theory of Computation (ICS 2000), December 6-8, 2000, National Chung Cheng University, Chia-Yi, Taiwan.

·       The IFIP International Conference on Theoretical Computer Science (IFIP TCS2000), Track 1, August 17-19, 2000, Tohoku University, Sendai, Japan.

·       The Third Annual International Computing and Combinatorics Conference, August 20-22 1997, Shanghai, China.

·       The 16th Foundations on Software Technology & Theoretical Computer Science (FST&TCS), December 18-20 1996, India.

·       The Fifth Annual International Symposium on Algorithms and Computation (ISAAC), August 25-27, 1994, Beijing, China.