摘要
A class of oscillator of the EI Nifio-Southern oscillation model is considered. Using Mawhin＇s continuation theorem, a result on the existence of periodic solutions for ENSO model is obtained.
A class of oscillator of the EI Nifio-Southern oscillation model is considered. Using Mawhin＇s continuation theorem, a result on the existence of periodic solutions for ENSO model is obtained.
基金
Project supported by the National Natural Science Foundation of China (Grant No. 40676016)
the Natural Science Foundationof Jiangsu Province of China (Grant Nos. BK2009105 and BK2008119)
the Natural Science Foundation of Jiangsu Education Committee,China (Grant Nos. 09kjd110001 and 08kjb110011)
Key Natural Science Foundation by the Bureau of Education of Anhui Province of China (Grant No. KJ2008A05ZC)
Jiangsu Teachers University of Technology Foundation (Grant No. KYY08033)
