THE PROBLEM OF LIMIT CYCLES FOR A LIENARD TYPE CUBIC SYSTEM

查看全文 作　　者：Ali. Elamin M. [1,2]Saeed;Luo [1]Dingjun 机构地区：[1]College of Math. and Computer Science, Nanjing Normal University, Nanjing 210097;[2]Alzaem Alazhari University, Sudan 出　　处：《Annals of Differential Equations》索引2006年第22卷第2期,共7页 基　　金：Project supported by the National Natural Science Foundations of China (No.10471066). 摘　　要：The purpose of this paper is to study a general Lienard type cubic system with one antisaddle and two saddles. We give some results of the existence and uniqueness of limit cycles as well as the evolution of limit cycles around the antisaddle for system (2) in the following when parameter a1 changes. 关 键 词：极限环 分歧 存在性 唯一性