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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.DS2017
Linearizability and critical period bifurcations of a generalized Riccati system
Valery G. Romanovski, Wilker Fernandes, Yilei Tang +1
In this paper we investigate the isochronicity and linearizability problem for a cubic polynomial differential system which can be considered as a generalization of the Riccati sys…