期刊
AIMS MATHEMATICS
卷 7, 期 8, 页码 13803-13820出版社
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/math.2022761
关键词
dynamic system; singularity; Poincare compactification; stability; bifurcation; global phase portrait
This paper studies a multiparametric nonlinear system with a transcritical bifurcation in a region of points in R-3. The boundaries of the parametric regions where important qualitative changes occur in the dynamics of the system are determined. Equilibrium points in each region are also established and classified. Finally, the stability of the equilibrium points at infinity of the system obtained from Poincare compactification is classified, and the global phase portrait of the system is made.
In this paper we study a multiparametric nonlinear system with a transcritical bifurcation in a region of points of R-3. The parametric regions that constitute the boundaries where important qualitative changes occur in the dynamics of the system are determined. The equilibrium points in each of the regions are also established and classified. Finally, the stability of the equilibrium points at infinity of the system obtained from the Poincare compactification is classified, and the global phase portrait of the system is made.
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