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浏览/检索结果: 共5条，第1-5条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 The period function of potential systems of polynomials with real zeros 期刊论文 2010, 2010 Yang Lijun; Zeng Xianwu 收藏  |  浏览/下载：4/0 Limit Cycles Bifurcating from the Period Annulus of Quasi-Homogeneous Centers 其他 2009-01-01 Li, Weigu; Llibre, Jaume; Yang, Jiazhong; Zhang, Zhifen 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 Homogeneous centers  Quasi-homogeneous centers  Limit cycles  QUADRATIC HAMILTONIAN-SYSTEMS  COMPLETE ABELIAN-INTEGRALS  HILBERTS 16TH PROBLEM  VECTOR-FIELDS  POLYNOMIAL PERTURBATIONS  EXPONENTIAL ESTIMATE  ISOCHRONOUS CENTERS  ELLIPTIC INTEGRALS  LINEAR ESTIMATE  ALMOST-ALL   The cyclicity of period annuli of some classes of reversible quadratic systems 其他 2006-01-01 Chen, G; Li, C; Liu, C; Llibre, J 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 limit cycle  reversible systems  Abelian integral  UNBOUNDED HETEROCLINIC LOOPS  HAMILTONIAN VECTOR-FIELDS  ELLIPTIC SEGMENT LOOPS  LIMIT-CYCLES  INTEGRABLE SYSTEM  ABELIAN-INTEGRALS  HOMOCLINIC LOOP  HILBERT PROBLEM  2 CENTERS  PERTURBATIONS   The cyclicity of the elliptic segment loops of the reversible quadratic Hamiltonian systems under quadratic perturbations 其他 2004-01-01 Li, CZ; Roussarie, R 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 cyclicity of elliptic segment loops  reversible quadratic Hamiltonian systems  HILBERT PROBLEM  PERIOD ANNULUS  VECTOR-FIELDS  LIMIT-CYCLES   Linear estimate of the number of zeros of Abelian integrals for quadratic centers having almost all their orbits formed by cubics 其他 2002-01-01 Zhao, YL; Li, WG; Li, CZ; Zhang, ZF 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 abelian integrals  quadratic integrable system  HAMILTONIAN VECTOR-FIELDS  LIMIT-CYCLES  HOMOCLINIC LOOPS  PERTURBATIONS  SYSTEMS  CYCLICITY  BIFURCATIONS  POLYNOMIALS