Research Article

On the Dynamical Complexity of a Seasonally Forced Discrete SIR Epidemic Model with a Constant Vaccination Strategy

Figure 2

(a) -phase diagram (). (b) Series of the iterations of . (c) Unimodal-type iterated map corresponding to the successive points , where denotes the local maximum (). (d) Bifurcation diagram of , taking as the control parameter. € Variation of the topological entropy corresponding to the dynamics of for
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