A NOTE ON CENTER AND FOCUS PROBLEM

A NOTE ON CENTER AND FOCUS PROBLEM

下载PDF

导出

摘要 An approach of calculating generalized focal values is disscussed and a necessary condition for kth focal value to be non-zero is given. An approach of calculating generalized focal values is disscussed and a necessary condition for kth focal value to be non-zero is given.

作者杨小京

出处《Acta Mathematica Scientia》 SCIE CSCD 1999年第S1期519-524,共6页 数学物理学报（B辑英文版）

关键词 CENTER FOCUS return function Center, focus, return function

分类号 O411 [理学—理论物理]

引文网络
相关文献

1谢向东,蔡燧林.ON THE DECISION PROBLEM OF THE CENTER OR FOCUS FOR A CLASS OF PLANAR POLYNOMIAL FIELDS[J].Annals of Differential Equations,1998,14(1):81-90.
2丰建文,陈士华.A CLASS OF QUADRATIC HAMILTONIAN SYSTEMS UNDER QUADRATIC PERTURBATION[J].Acta Mathematica Scientia,2001,21(2):249-253. 被引量：2
3王现.SOME PROPERTIES OF CUBIC LIENARD SYSTEMS[J].Annals of Differential Equations,1998,14(2):222-226.
4胡军胜.LIMIT CYCLES FOR A CLASS OF E_3~1 SYSTEMWITH A FINE FOCUS AND A FINE SADDLE[J].Annals of Differential Equations,1998,14(3):486-497.
5ZHOU Yong-guo.m-degree Center-connecting Line of Finite Points Set and Its Properties[J].Chinese Quarterly Journal of Mathematics,2014,29(2):247-252. 被引量：1
6Valery G. ROMANOVSKI (Center for Applied Math. and Theoretical Physics, University of Maribor, Krekova 2, SI-2000 Maribor, Slovenia) and (Belarusian State University of Informatics & Radioelectronics, P.Brovka 6 Minsk 220027 Belarus) Alexandru ■UB■ (Dep.CENTERS OF SOME CUBIC SYSTEMS[J].Annals of Differential Equations,2001,17(4):363-376. 被引量：2
7Hannah Edinger.Changing Focus[J].ChinAfrica,2016,8(4):18-19.
8Xi Mei BAI Wen Li LIU.The Uniqueness of Decomposition of Symplectic Ternary Algebras with Trivial Center[J].Journal of Mathematical Research and Exposition,2010,30(3):423-428.
9Zheng-da Huang (Department of Mathematics, XiXi Campus, Zhejiang University, Hangzhou 310028, China).ON THE CONVERGENCE OF KING-WERNER ITERATIONMETHOD IN BANACH SPACEON THE CONVERGENCE OF KING-WERNER ITERATIONMETHOD IN BANACH SPACE[J].Journal of Computational Mathematics,2000,18(5):457-466.
10ZHOU QinianDepartment of Computer Education, Zhejiang Institute of Science and Technology, Hangzhou 310033, China.A possible configuration of H_5^+ cluster[J].Chinese Science Bulletin,2002,47(14):1170-1171.

Acta Mathematica Scientia

1999年第S1期

浏览历史

内容加载中请稍等...

A NOTE ON CENTER AND FOCUS PROBLEM

相关作者

相关机构

相关主题

浏览历史