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math.DS2017
Bifurcation of small limit cycles in cubic integrable systems using higher-order analysis
Yun Tian, Pei Yu
In this paper, we present a method of higher-order analysis on bifurcation of small limit cycles around an elementary center of integrable systems under perturbations. This method…
math.DS2015★ 1 cited
Backward bifurcation underlies rich dynamics in simple disease models
Wenjing Zhang, Pei Yu, Lindi M. Wahl
In this paper, dynamical systems theory and bifurcation theory are applied to investi- gate the rich dynamical behaviours observed in three simple disease models. The 2- and 3-dime…