On the Nature of Bifurcation in a Ratio-Dependent Predator-Prey Model with Delays

Figure 1

Trajectory portrait and phase portrait of system (57) with 𝜏₁=0, 𝜏₂=2.2<𝜏₂₀≈2.3345. The positive equilibrium 𝐸(5.61,7.02) is asymptotically stable. The initial value is (5.6, 7.45).

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