The Hopf Bifurcation for a Predator-Prey System with 𝜃-Logistic Growth and Prey Refuge

Figure 4

The infected steady state 𝐸^∗ of system (2) is unstable when 𝜏=0.55 (a) (b) and stable when 𝜏=0.75 (c). The rest parameter values are given in (i), and the initial values are 𝑥₀=8 and 𝑦₀=5.

(a)

(b)

(c)