Global Phase Portraits of Separable Polynomial Rigid Systems with a Center von Chen, Hebai, Feng, Zhaosheng, Zhang, Rui

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New Criterions on Nonexistence of Periodic Orbits of Planar Dynamical Systems and Their Applications von Chen, Hebai, Yang, Hao, Zhang, Rui, Zhang, Xiang

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The focus case of a nonsmooth Rayleigh–Duffing oscillator von Wang, Zhaoxia, Chen, Hebai, Tang, Yilei

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Complete bifurcation diagram and global phase portraits of Liénard differential equations of degree four von Chen, Xiaofeng, Chen, Hebai

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Global dynamics of a Wilson polynomial Li\'enard equation von Haibo Chen, Hebai Chen

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Global analysis on a continuous planar piecewise linear differential system with three zones von Jia, Man, Su, Youfeng, Chen, Hebai

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Generalized Hopf bifurcation of a non-smooth railway wheelset system von Miao, Pengcheng, Li, Denghui, Chen, Hebai, Yue, Yuan, Xie, Jianhua

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The Limit Cycles of the Higgins–Selkov Systems von Chen, Hebai, Llibre, Jaume, Tang, Yilei

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Bifurcation Diagram and Global Phase Portraits of a Family of Quadratic Vector Fields in Class I von Jia, Man, Chen, Haibo, Chen, Hebai

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A van der Pol-Duffing Oscillator with Indefinite Degree von Chen, Hebai, Jin, Jie, Wang, Zhaoxia, Zhang, Baodong

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At most two limit cycles in a piecewise linear differential system with three zones and asymmetry von Chen, Hebai, Tang, Yilei

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Global bifurcation studies of a cubic Liénard system von Chen, Hebai, Zhu, Huaiping

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A proof of Euzébio–Pazim–Ponce’s conjectures for a degenerate planar piecewise linear differential system with three zones von Chen, Hebai, Tang, Yilei

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The saddle case of a nonsmooth Rayleigh–Duffing oscillator von Wang, Zhaoxia, Chen, Hebai

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Global dynamics of a Wilson polynomial Liénard equation von Chen, Haibo, Chen, Hebai

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Dynamical analysis of a cubic Liénard system with global parameters (III) von Chen, Hebai, Chen, Xingwu

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Global dynamics of the Josephson equation in TS1 von Chen, Hebai, Tang, Yilei

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Proof of Artés–Llibre–Valls's conjectures for the Higgins–Selkov and the Selkov systems von Chen, Hebai, Tang, Yilei

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Dynamical analysis of a cubic Liénard system with global parameters von Chen, Hebai, Chen, Xingwu

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Topological classifications of a piecewise linear Liénard system with three zones von Chen, Hebai, Jia, Man, Tang, Yilei

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