A Global Attractor in Some Discrete Contest Competition Models with Delay under the Effect of Periodic Stocking

Figure 2

The figure on the left shows the choice of the compact region 𝑅_ℎ when 𝑦=(𝑏𝑡+ℎ)𝑓(𝑡) is increasing, and the one on the right shows 𝑇(𝑅_ℎ) with blue boundary inside 𝑅_ℎ.