Citation: | Yanli Tang, Feng Li. MULTIPLE STABLE STATES FOR A CLASS OF PREDATOR-PREY SYSTEMS WITH TWO HARVESTING RATES[J]. Journal of Applied Analysis & Computation, 2024, 14(1): 506-514. doi: 10.11948/20230295 |
In this paper, a class of predator-prey systems with two harvesting rates is studied, multiple limit cycles can be obtained by hopf bifurcation, and the Hopf cyclicity at the origin is $ 4 $. Multiple stable states can coexist in the predator-prey systems with two harvesting rates. Then by using Poincare-Bendixson theorem and Dulac discriminant method, existence and non-existence conditions of limit cycles are obtained.
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Phase portrait of system (1.1) showing that there is no other singular point and limit cycle when