Japanese - English Department of Information and Communication Sciences Faculty of Science and Technology Sophia University MIYAMOTO Yuichiro, Ph. D. Assistant Professor E-mail: miyamoto at sophia.ac.jp Research Area Algorithm, Combinatorial Optimization, Operations (Operational) Research, Mathematical Programming, Mathematical Engineering, Computer Science, etc. Research Interests Approximation Algorithms, Coloring Problem, Network Design, etc. Publications - PresenTimer(Java Applet) Copyright, MIYAMOTO Yuichiro, 20XX