国家自然科学基金(Z0511052)

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UNIQUENESS OF LIMIT CYCLE FOR A CLASS OF QUARTIC SYSTEM ACCOMPANYING WITH QUADRATIC SYSTEM被引量:1
《Annals of Differential Equations》2008年第2期239-245,共7页Zhan Qingyi(College of Computer and Information Science,Fujian Agriculture and Forestry University,Fuzhou 350002) Xie Xiangdong(Dept. of Math.,Ningde Teachers College,Ningde 352100,Fujian) Wu Chengqiang(College of Math. and Computer Science,Fuzhou University,Fuzhou 350002) 
This work was supported by the Natural Science Foundation of Fujian (Z0511052);the Foundation of Fujian Education Bureau (JA04158, JA04274);the Foundation of Developing Science and Technology of Fuzhou University (2005-QX-20).
In this paper,we consider a class of quartic system,which is more general and realistic than the quartic accompanying system. Consequently,we obtain sufficient conditions concerning the uniqueness of limit cycle as we...
关键词:accompanying system limit cycle UNIQUENESS 
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