Figure 3From: Stability and Hopf bifurcation of a producer-scrounger model with age-structure The case of \(\pmb{R_{0}>1}\) and \(\pmb{u_{0}=44.0951}\) , \(\pmb{v_{0}=120.0637}\) , \(\pmb{\tau _{0}=0.5223}\) , where \(\pmb{b_{1}=10}\) , \(\pmb{a_{1}=1}\) , \(\pmb{b_{2}=0.8}\) , \(\pmb{a_{2}=10}\) , \(\pmb{m=30}\) , \(\pmb{d=1}\) , \(\pmb{\theta=3}\) , \(\pmb{\tau=0.55}\) , \(\pmb{b_{3}=1}\) , \(\pmb{P(t)=0.9}\) , \(\pmb{S(t)=1.7}\) for \(\pmb{t\in[-0.55,0]}\) . Back to article page