*** Main Interest:** Computational Geometry

*** Others: **Computer Graphics, Operation Research

*** International Journal Publications: **Link to DBLP.

*** Domestic Journal Publications:**

- Stealthy Behavior Simulations Based on Cognitive Data, Journal of Korea Game Society, Vol.16(2), pp 27-40, 2016.(with Taeyeong Choi, download)

- Making Levels More Challenging with a Cooperative Strategy of Ghosts in Pac-Man, Journal of Korea Game Society, Vol.15(5), pp 89-98, 2015.(with Taeyeong Choi, download)

- Improving A Stealth Game Level Design Tool, Journal of Korea Game Society, Vol.15(4), pp 29-38, 2015.(written in Korean, with Sanghyeok Jeong, Juhong Jeong, download)

- A Settlement Selection Scheme for Map Generalization, Journal of KIISE : Software and Applications, Vol.40(12), pp 848-858, 2013.(with Nguyen Ngoc Dung, download)

- The Tight Upper Bound on the Offline Cop Number, Journal of KIISE : Computer Systems and with Theory, Vol.40(4), pp 193-200, 2013.(with Yu-Seok Jo, download)

- Distributed Event Detection Algorithm considering Tradeoff between Accuracy and Cost, Journal of KIISE: Information Networking, Vol.38(2), pp 117-126, 2011.(with Nhu Tuan Anh, download)

- Finding a Second-Best Coverage Path, Journal of KIISE: Computer Systems and Theory, Vol.35(8), pp 385-393, 2008.(with Junghee Kim, download)

*** Interesting Links: **Computational Geometry Pages , Geometry in Action , Geometry Junkyard ,
Math Lecture Notes Online , Mathworld