期刊
JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS
卷 20, 期 3, 页码 535-571出版社
SPRINGER
DOI: 10.1007/s10884-008-9102-9
关键词
predator-prey system; response function; Bogdanov-Takens bifurcation; Hopf bifurcation; limit cycles; homoclinic orbit; homoclinic bifurcation; generalised Holling response function of type III
We consider a generalised Gause predator-prey system with a generalised Holling response function of type III: p(x) - mx(2)/ax(2) + bx + 1. We study the cases where b is positive or negative. We make a complete study of the bifurcation of the singular points including: the Hopf bifurcation of codimensions 1 and 2, the Bogdanov - Takens bifurcation of codimensions 2 and 3. Numerical simulations are given to calculate the homoclinic orbit of the system. Based on the results obtained, a bifurcation diagram is conjectured and a biological interpretation is given.
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