Bifurcation of Traveling Wave Solutions of the Dual Ito Equation

Figure 1

Phase portraits of (10) for 𝜙≠−𝑐. (a) The case for −(1/2)𝑐²≤𝑔<(1/4)𝑐²,  𝐹(𝜙₊)<0. (b) The case for 𝑔<−(1/2)𝑐²,  𝐹(𝜙₋)<0,𝐹(𝜙₊)<0. (c) The case for 𝑔<−(1/2)𝑐²,  𝐹(𝜙₋)>0,  𝐹(𝜙₊)<0.

(a)

(b)

(c)