About TAKAHASHI DAISUKE
About 早稲田大 理工学術院
About exact solution
About special function
About energy conservation law
About pendulum
About damped oscillation
About Lyapunov function
About Toda lattice
About soliton
About disordered system
About oscillation
About logistic map
About chaotic system
About Mathematical physics
About 物理
About 数学
About 厳密解
About 現象