Xiong, Yanqin; Han, Maoan; Xiao, Dongmei The maximal number of limit cycles bifurcating from a Hamiltonian triangle in quadratic systems. (English) Zbl 1466.34033 J. Differ. Equations 280, 139-178 (2021). Reviewer: Hao Wu (Nanjing) MSC: 34C07 34C05 34C29 34C25 PDFBibTeX XMLCite \textit{Y. Xiong} et al., J. Differ. Equations 280, 139--178 (2021; Zbl 1466.34033) Full Text: DOI
Xiong, Yanqin; Han, Maoan; Xiao, Dongmei Limit cycle bifurcations by perturbing a quadratic integrable system with a triangle. (English) Zbl 1339.34052 J. Differ. Equations 260, No. 5, 4473-4498 (2016). Reviewer: Iliya Iliev (Sofia) MSC: 34C23 34C05 34E10 34C37 PDFBibTeX XMLCite \textit{Y. Xiong} et al., J. Differ. Equations 260, No. 5, 4473--4498 (2016; Zbl 1339.34052) Full Text: DOI
Yu, Pei; Han, Maoan Ten limit cycles around a center-type singular point in a 3-d quadratic system with quadratic perturbation. (English) Zbl 1336.34051 Appl. Math. Lett. 44, 17-20 (2015). Reviewer: Valery Romanovski (Maribor) MSC: 34C07 34C23 34C45 34C20 34C05 PDFBibTeX XMLCite \textit{P. Yu} and \textit{M. Han}, Appl. Math. Lett. 44, 17--20 (2015; Zbl 1336.34051) Full Text: DOI
Yu, Pei; Han, Maoan Four limit cycles from perturbing quadratic integrable systems by quadratic polynomials. (English) Zbl 1258.34062 Int. J. Bifurcation Chaos Appl. Sci. Eng. 22, No. 10, Paper No. 1250254, 28 p. (2012). MSC: 34C07 34C05 34C23 34C14 PDFBibTeX XMLCite \textit{P. Yu} and \textit{M. Han}, Int. J. Bifurcation Chaos Appl. Sci. Eng. 22, No. 10, Paper No. 1250254, 28 p. (2012; Zbl 1258.34062) Full Text: DOI arXiv
Yu, Pei; Han, Maoan Four limit cycles in quadratic near-integrable systems. (English) Zbl 1304.34065 J. Appl. Anal. Comput. 1, No. 2, 291-298 (2011). MSC: 34C07 34C23 PDFBibTeX XMLCite \textit{P. Yu} and \textit{M. Han}, J. Appl. Anal. Comput. 1, No. 2, 291--298 (2011; Zbl 1304.34065)
Han, Maoan; Ye, Yanqian; Zhu, Deming Cyclicity of homoclinic loops and degenerate cubic Hamiltonians. (English) Zbl 0959.34022 Sci. China, Ser. A 42, No. 6, 605-617 (1999). Reviewer: Eugene Ershov (St.Peterburg) MSC: 34C07 34C37 34C05 34C23 PDFBibTeX XMLCite \textit{M. Han} et al., Sci. China, Ser. A 42, No. 6, 605--617 (1999; Zbl 0959.34022) Full Text: DOI