Hopf bifurcation analysis of a multiple delays stage-structure predator-prey model with refuge and cooperation
San-Xing WU , Xin-You MENG
Electronic Research Archive ›› 2025, Vol. 33 ›› Issue (2) : 995 -1036.
In this paper, a multiple delays stage-structure predator-prey model with refuge and coop- eration is established. First, the local asymptotic stability of the trivial equilibrium and the predator extinction equilibrium are discussed by analyzing the characteristic equations of the system. Second, taking time delays as the bifurcation parameters, the existence of Hopf bifurcation at the positive equi- librium is given. Next, the direction of Hopf bifurcation and the stability of the periodic solutions are analyzed based on the center manifold theorem and normal form theory. Moreover, the optimal harvesting policy of the system is showed by using Pontryagin’s maximum principle. Finally, we give the global sensitivity analysis of some parameters by calculating the partial rank correlation coeffi- cients, and some numerical simulations are performed to verify the correctness and feasibility of the theoretical results by using the MATLAB software.
stage-structure / prey refuge / cooperation / time delay / Hopf bifurcation
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M. Peng, Z. D. Zhang, Hopf bifurcation analysis in a predator-prey model with two time delays and stage structure for the prey, Adv. Differ. Equations, 2018 (2018), 251-271. https://doi.org/10.1186/s13662-018-1705-9 |
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