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 × Cite Format Result Cite Review PDF Full Text: DOI
Yu, P.; Corless, R. Symbolic computation of limit cycles associated with Hilbert’s 16th problem. (English) Zbl 1221.34082 Commun. Nonlinear Sci. Numer. Simul. 14, No. 12, 4041-4056 (2009). MSC: 34C07 34-04 68W30 × Cite Format Result Cite Review PDF Full Text: DOI
Yu, Pei; Chen, Guanrong Computation of focus values with applications. (English) Zbl 1170.70306 Nonlinear Dyn. 51, No. 3, 409-427 (2008). MSC: 70-08 70K99 34C07 × Cite Format Result Cite Review PDF Full Text: DOI