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

Figure 2

Parameters: 𝛿=0.1, 𝑝₁=0.1, 𝑝₂=0.15, 𝑎=0.2, 𝜏₁=12, 𝜏₂=15, and 𝑁^∗=4.58145. Initial condition is 𝜓(𝜃,𝑥)=4+sin𝜃, (𝜃,𝑥)∈[−15,0]×[0,1].