About NAGAI Hidetomo
About Tokai Univ., Kanagawa, JPN
About OHTA Yasuhiro
About Kobe Univ., Kobe, JPN
About HIROTA Ryogo
About Waseda Univ., Tokyo, JPN
About Journal of the Physical Society of Japan
About nonlinear equation
About discrete system
About solution (mathematics)
About propagation (transmission)
About internal degree of freedom
About soliton
About Soliton solutions
About ハングリーLotka-Volterra方程式
About Mathematical physics
About 周期
About 位相
About ソリトン
About 方程式