First Integrals and a Zero-Hopf Bifurcation of the Four-Dimensional Lotka-Volterra Systems

Authors

DOI:

https://doi.org/10.24996/ijs.2024.65.9.31

Keywords:

Lotka-Volterra system, Invariant algebraic hypersurfaces, Darboux first integral, Zero-Hopf bifurcation, Averaging theory

Abstract

In this paper, the integrability and a zero-Hopf bifurcation of the four-dimensional Lotka-Volterra systems are studied. The requirements for this kind of system's integrability and a line of singularities with two zero eigenvalues are provided. We identify the parameters that lead to a zero-Hopf equilibrium point at each point along the line of singularities. We show that there is only one parameter that displays such equilibria. The first-order averaging method is also employed, although this method will not give any information about the bifurcate periodic solutions that bifurcate from the zero-Hopf equilibria.

Author Biography

Niazy H. Hussen, Department of Mathematics, Faculty of Science, Soran University, Erbil, Iraq

 

 

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Published

2024-09-30

Issue

Section

Mathematics

How to Cite

First Integrals and a Zero-Hopf Bifurcation of the Four-Dimensional Lotka-Volterra Systems. (2024). Iraqi Journal of Science, 65(9), 5171-5181. https://doi.org/10.24996/ijs.2024.65.9.31

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