Global Attractivity of a Diffusive Nicholson's Blowflies Equation with Multiple Delays

Figure 4

Parameters: 𝛿=0.2, 𝑝₁=0.5, 𝑝₂=0.5, 𝑎=0.2, 𝜏₁=12, 𝜏₂=15, and 𝑁^∗=8.04719. Initial condition is 𝜓(𝜃,𝑥)=9+sin𝜃, (𝜃,𝑥)∈[−15,0]×[0,1].