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author:

Zhu, Q. (Zhu, Q..) [1] | Li, Z. (Li, Z..) [2] | Chen, F. (Chen, F..) [3]

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Abstract:

In this paper, a single-species logistic model with both fear effect-type feedback control and additive Allee effect is developed and investigated using the new coronavirus as a feedback control variable. When the system introduces additive Allee effect and fear effect-type feedback control, more complicated dynamical behavior is obtained. The system can undergo transcritical bifurcation, saddle-node bifurcation, degenerate Hopf bifurcation and Bogdanov–Takens bifurcation. By numerical simulations, the system exhibits homoclinic bifurcation and saddle-node bifurcation of limit cycles as parameters are altered. Remarkably, it is the first time that two limit cycles have been discovered in a single-species logistic model with the Allee effect. Further, stronger Allee effect or stronger fear effect can lead to the extinction of the species population. © World Scientific Publishing Company.

Keyword:

additive Allee effect bifurcation fear effect-type feedback control Logistic model two limit cycles

Community:

  • [ 1 ] [Zhu Q.]School of Mathematics and Statistics, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 2 ] [Li Z.]School of Mathematics and Statistics, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 3 ] [Chen F.]School of Mathematics and Statistics, Fuzhou University, Fujian, Fuzhou, 350108, China

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Source :

International Journal of Biomathematics

ISSN: 1793-5245

Year: 2024

2 . 4 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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