Zhou, Jinping; Zhao, Liqin; Wang, Jiaxin Cyclicity of a class of Hamiltonian systems under perturbations of piecewise smooth polynomials. (English) Zbl 1486.37032 Int. J. Bifurcation Chaos Appl. Sci. Eng. 31, No. 13, Article ID 2150199, 14 p. (2021). Reviewer: Iliya Iliev (Sofia) MSC: 37J40 37J20 34C07 34C08 PDFBibTeX XMLCite \textit{J. Zhou} et al., Int. J. Bifurcation Chaos Appl. Sci. Eng. 31, No. 13, Article ID 2150199, 14 p. (2021; Zbl 1486.37032) Full Text: DOI
Yang, Jihua; Sui, Shiyou; Zhao, Liqin On the number of zeros of abelian integral for a class of cubic Hamilton systems with the phase portrait “butterfly”. (English) Zbl 1431.34043 Qual. Theory Dyn. Syst. 18, No. 3, 947-967 (2019). MSC: 34C08 34E10 37J40 34C07 34C23 PDFBibTeX XMLCite \textit{J. Yang} et al., Qual. Theory Dyn. Syst. 18, No. 3, 947--967 (2019; Zbl 1431.34043) Full Text: DOI
Sui, Shiyou; Yang, Jihua; Zhao, Liqin On the number of limit cycles for generic Lotka-Volterra system and Bogdanov-Takens system under perturbations of piecewise smooth polynomials. (English) Zbl 1444.34056 Nonlinear Anal., Real World Appl. 49, 137-158 (2019). Reviewer: Fengqin Zhang (Yuncheng) MSC: 34C05 34E10 34C07 34C23 34A36 34C08 PDFBibTeX XMLCite \textit{S. Sui} et al., Nonlinear Anal., Real World Appl. 49, 137--158 (2019; Zbl 1444.34056) Full Text: DOI arXiv
Yang, Jihua; Zhao, Liqin Bounding the number of limit cycles of discontinuous differential systems by using Picard-Fuchs equations. (English) Zbl 1390.34082 J. Differ. Equations 264, No. 9, 5734-5757 (2018). Reviewer: Maite Grau (Lleida) MSC: 34C05 34A36 34E10 34C23 PDFBibTeX XMLCite \textit{J. Yang} and \textit{L. Zhao}, J. Differ. Equations 264, No. 9, 5734--5757 (2018; Zbl 1390.34082) Full Text: DOI
Yang, Jihua; Zhao, Liqin The cyclicity of period annuli for a class of cubic Hamiltonian systems with nilpotent singular points. (English) Zbl 1411.34047 J. Differ. Equations 263, No. 9, 5554-5581 (2017). Reviewer: Kwok-wai Chung (Hong Kong) MSC: 34C07 34C23 34C05 34E10 PDFBibTeX XMLCite \textit{J. Yang} and \textit{L. Zhao}, J. Differ. Equations 263, No. 9, 5554--5581 (2017; Zbl 1411.34047) Full Text: DOI
Zhao, Li Qin; Li, De Ping Bifurcations of limit cycles from a quintic Hamiltonian system with a heteroclinic cycle. (English) Zbl 1301.34057 Acta Math. Sin., Engl. Ser. 30, No. 3, 411-422 (2014). Reviewer: Alexander Grin (Grodno) MSC: 34C23 34C05 34C37 37J45 PDFBibTeX XMLCite \textit{L. Q. Zhao} and \textit{D. P. Li}, Acta Math. Sin., Engl. Ser. 30, No. 3, 411--422 (2014; Zbl 1301.34057) Full Text: DOI
Qi, Minghui; Zhao, Liqin Bifurcations of limit cycles from a quintic Hamiltonian system with a figure double-fish. (English) Zbl 1275.34049 Int. J. Bifurcation Chaos Appl. Sci. Eng. 23, No. 7, Article ID 1350116, 15 p. (2013). MSC: 34C08 34E10 34C05 34C23 PDFBibTeX XMLCite \textit{M. Qi} and \textit{L. Zhao}, Int. J. Bifurcation Chaos Appl. Sci. Eng. 23, No. 7, Article ID 1350116, 15 p. (2013; Zbl 1275.34049) Full Text: DOI