| Issue |
E3S Web Conf.
Volume 400, 2023
International Conference on Sciences, Mathematics, and Education (ICoSMEd 2022)
|
|
|---|---|---|
| Article Number | 03003 | |
| Number of page(s) | 4 | |
| Section | Theory and Application in Mathematics | |
| DOI | https://doi.org/10.1051/e3sconf/202340003003 | |
| Published online | 03 July 2023 | |
The Existence of a Limit-Cycle of a Discrete-Time Lotka-Volterra Model with Fear Effect and Linear Harvesting
1 Biomathematics Research Group, Universitas Negeri Gorontalo, Bone Bolango 96554, Indonesia
2 Department of Mathematics, Universitas Negeri Gorontalo, Bone Bolango 96554, Indonesia
* Corresponding author. e-mail: hspanigoro@ung.ac.id
Modeling the interaction between prey and predator plays an important role in maintaining the balance of the ecological system. In this paper, a discrete-time mathematical model is constructed via a forward Euler scheme, and then studied the dynamics of the model analytically and numerically. The analytical results show that the model has two fixed points, namely the origin and the interior points. The possible dynamical behaviors are shown analytically and demonstrated numerically using some phase portraits. We show numerically that the model has limit-cycles on its interior. This guarantees that there exists a condition where both prey and predator maintain their existence periodically.
© The Authors, published by EDP Sciences, 2023
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