812120.fig.0011a
(a)
812120.fig.0011b
(b)
812120.fig.0011c
(c)
812120.fig.0011d
(d)
Figure 11: Two tall-kink waves are bifurcated form the symmetric periodic waves. The varying process for the figures of when and , where , , and (a) , (b) , (c) , and (d) .