|
|||||
|
|
Sufficient conditions for the existence of at least n or exactly n limit cycles for the Liénard differential systems |
|
| Authors: | Xiudong Chen Zhifen Zhang |
| Institution: | a Department of Applied Mathematics, Dalian University of Technology, Dalia 116024, China b Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain c School of Mathematics, Peking University, Beijing 100871, China |
| Abstract: | In this paper we study the limit cycles of the Liénard differential system of the form  , or its equivalent system  ,  . We provide sufficient conditions in order that the system exhibits at least n or exactly n limit cycles. |
| Keywords: | 58F21 34C05 58F14 |
| 本文献已被 ScienceDirect 等数据库收录！ | |