Affiliation: | 1.University College, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea ;2.Department of Applied Mathematics, Faculty of Engineering, Yokohama National University, Hodogaya, Yokohama, 240-8501, Japan ;3.Graduate School of Information Sciences, Tohoku University, Aoba, Sendai, 980-8579, Japan ;4.Department of Applied Mathematics, Hankyong National University, 327 Jungangro, Anseong-si, Gyeonggi-do, 17579, Korea ; |