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浏览/检索结果: 共10条，第1-10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 Maximal Number of Limit Cycles in Perturbations of Piecewise Linear Hamiltonian Systems with Two Saddles 期刊论文 INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2017, 卷号: 27, 期号: 8 作者:  Xiong, Yanqin;  Han, Maoan;  Romanovski, Valery G. 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11 Piecewise linear system  limit cycle  saddle  Melnikov function   Integrability conditions for Lotka-Volterra planar complex quartic systems having homogeneous nonlinearities 期刊论文 Acta Applicandae Mathematicae, 2013, 卷号: 124, 期号: 1, 页码: 107-122 作者:  Brigita Ferčec;  Jaume Giné;  Yirong Liu;  Valery G. Romanovski 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/03 Integrability  Linearizability  Polynomial differential system  Polynomial vector field   Linearizability and local bifurcation of critical periods in a cubic Kolmogorov system 期刊论文 Journal of Computational and Applied Mathematics, 2013, 卷号: Vol.245, 页码: 86-96 作者:  Xingwu Chen;  Wentao Huang;  Valery G. Romanovski;  Weinian Zhang 收藏  |  浏览/下载：2/0  |  提交时间：2019/02/25 Kolmogorov system  Center  Isochronicity  Integrability  Bifurcation   Bifurcations of planar Hamiltonian systems with impulsive perturbation 期刊论文 APPLIED MATHEMATICS AND COMPUTATION, 2013, 卷号: 219, 页码: 6733-6742 作者:  Hu, Zhaoping[1];  Han, Maoan[2];  Romanovski, Valery G.[3] 收藏  |  浏览/下载：1/0  |  提交时间：2019/04/30 Hamiltonian system  Impulsive differential equation  Periodic solution  Bifurcation   Local integrability of a family of three-dimensional quadratic systems 期刊论文 PHYSICA D-NONLINEAR PHENOMENA, 2013, 卷号: 265, 页码: 78-86 作者:  Hu, Zhaoping[1];  Han, Maoan[2];  Romanovski, Valery G.[3] 收藏  |  浏览/下载：2/0  |  提交时间：2019/04/30 Analytic first integrals  Integrability variety  Reversibility  Invariant plane  Darboux integrability   LIMIT CYCLE BIFURCATIONS FROM CENTERS OF SYMMETRIC HAMILTONIAN SYSTEMS PERTURBED BY CUBIC POLYNOMIALS 期刊论文 INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2013, 卷号: 23 作者:  Hu, Zhaoping[1];  Gao, Bin[2];  Romanovski, Valery G.[3] 收藏  |  浏览/下载：1/0  |  提交时间：2019/04/30 Near-Hamiltonian system  center  bifurcation  limit cycle  perturbation   Integrability of 3-dim polynomial systems with three invariant planes 期刊论文 NONLINEAR DYNAMICS, 2013, 卷号: 74, 页码: 1077-1092 作者:  Hu, Zhaoping[1];  Aldazharova, Maira[2];  Aldibekov, Tamasha M.[3];  Romanovski, Valery G.[4] 收藏  |  浏览/下载：2/0  |  提交时间：2019/04/30 Analytic first integrals  Linearizability 3-dim systems of ODE's  Reversibility  Polynomial systems   LINEAR CENTERS WITH PERTURBATIONS OF DEGREE 2d + 5 期刊论文 International Journal of Bifurcation and Chaos, 2012 作者:  WENTAO HUANG;  XINGWU CHEN;  VALERY G. ROMANOVSKI 收藏  |  浏览/下载：1/0  |  提交时间：2019/02/25 Linearizability conditions for Lotka-Volterra planar complex quartic systems having homogeneous nonlinearities 期刊论文 Computers and Mathematics with Applications, 2011, 卷号: 61, 期号: 4, 页码: 1190-1201 作者:  Jaume Giné;  Zhibek Kadyrsizova;  Yirong Liu;  Valery G. Romanovski 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/03 Isochronicity  Linearizability  Polynomial vector field  Polynomial differential system   Linearizability conditions of a time-reversible quartic-like system 期刊论文 Journal of Mathematical Analysis and Applications, 2011, 卷号: Vol.383 No.1, 页码: 179-189 作者:  Xingwu Chen;  Wentao Huang;  Valery G. Romanovski;  Weinian Zhang 收藏  |  浏览/下载：5/0  |  提交时间：2019/02/25 Center  Isochronous center  Reversibility  Linearizability