2019
DOI: 10.1016/j.matcom.2018.09.023
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Permanency in predator–prey models of Leslie type with ratio-dependent simplified Holling type-IV functional response

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Cited by 9 publications
(9 citation statements)
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“…They give the sufficient condition for Hopf bifurcation by calculating the first‐order Lyapunov quantity. Theorem 4.1 and conjecture 4.9 in Amirabad et al indicate that the multiplicity of the weak focus is greater than 1 and there are at least two limit cycles arising from the Hopf bifurcation. However, after above scaling, we know that system without the harvesting takes the form {leftarraydxdt=x(1x)αxy2x2+βy2,arraydydt=σy1yx …”
Section: The System Without Harvestingmentioning
confidence: 99%
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“…They give the sufficient condition for Hopf bifurcation by calculating the first‐order Lyapunov quantity. Theorem 4.1 and conjecture 4.9 in Amirabad et al indicate that the multiplicity of the weak focus is greater than 1 and there are at least two limit cycles arising from the Hopf bifurcation. However, after above scaling, we know that system without the harvesting takes the form {leftarraydxdt=x(1x)αxy2x2+βy2,arraydydt=σy1yx …”
Section: The System Without Harvestingmentioning
confidence: 99%
“…Zhou considered system with the ratio‐dependent Holling type III functional response and studied the stability of the positive equilibrium and the existence of periodic solutions by analyzing the Hopf bifurcation. Then, based on the Holling type IV functional response, Amirabad et al considered system with the ratio‐dependent Holling type IV functional response ()P()xy=mxyx2+a2y2 as follows: {leftarraydxdt=rx1xKmxy2x2+ay2,arraydydt=sy1ybx with m >0 is the conversion rate of predator and a >0 is the half saturation constant, which simulates the group defense of prey. They investigated the permanency of the system and derived the sufficient conditions for the global stability of positive equilibrium by constructing a Lyapunov function and Hopf bifurcation by calculating the first‐order Lyapunov quantity.…”
Section: Introductionmentioning
confidence: 99%
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