548920.fig.001a
(a) Solitary wave
548920.fig.001b
(b) Solitary wave pointing downwards
548920.fig.001c
(c) Peaked wave
548920.fig.001d
(d) Peaked wave pointing downwards
548920.fig.001e
(e) Cusped wave
548920.fig.001f
(f) Cusped wave pointing downwards
548920.fig.001g
(g) Looped wave
548920.fig.001h
(h) Rotated looped wave
548920.fig.001i
(i) Double kinked wave
548920.fig.001j
(j) Butterfly-like waves
548920.fig.001k
(k) Fractal-like wave
548920.fig.001l
(l) Double stumpon
Figure 1: Travelling waves in (2) as .