国家自然科学基金(BK2008119)

作品数：4被引量：2H指数：1
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相关作者：周友明李晓静鲁世平陈绚青更多>>
相关机构：安徽师范大学江苏技术师范学院更多>>
相关期刊：《应用数学》《Chinese Physics B》更多>>
相关主题：PERIODIC_SOLUTIONNONLINEAR存在唯一性MECHANISMDUFFING更多>>
相关领域：理学天文地球更多>>
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一类具偏差变元的Duffing方程周期解的存在唯一性(英文)被引量：1
《应用数学》2012年第2期335-340,共6页李晓静 周友明 陈绚青 鲁世平 
Supported by the Natural Science Foundation of Jiangsu in China(BK2009105,BK2008119);the Natural Science Foundation of Jiangsu Education Committee,China(09kjd110001,08kjb110011);the Jiangsu Teachers University of Technology Foundation(KYY11086)
本文允许线性项x′(t)前的系数β(t)可变号的条件下,研究如下一类具偏差变元的Duffing方程:x″(t)+β(t)x′(t)+g(t,x(t-τ(t)))=p(t).获得了周期解的存在唯一性新结果.
关键词：周期解 存在唯一性 重合度 偏差变元 
The periodic solution to the model for the El Nio-Southern oscillation
《Chinese Physics B》2010年第3期1-3,共3页李晓静 
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)
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.
关键词：NONLINEAR coincidence degree periodic solution ENSO model 
Existence and asymptotic estimates of periodic solutions of El Nio mechanism of atmospheric physics被引量：1
《Chinese Physics B》2010年第2期9-12,共4页李晓静 
supported by the National Natural Science Foundation of China (Grant No. 40676016);the Natural Science Foundation of 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)
This paper is devoted to studying the El Nino mechanism of atmospheric physics. The existence and asymptotic estimates of periodic solutions for its model are obtained by employing the technique of upper and lower sol...
关键词：nonlinear time delay El Nino phenomenon periodic solution 
Singular perturbation of a second-order three-point boundary value problem for nonlinear systems
《Journal of Shanghai University(English Edition)》2009年第1期16-19,共4页林晓洁 刘文斌 
supported by the National Natural Science Foundation of China (Grant No.10771212);the Natural Science Foundation of Jiangsu Province (Grant No.BK2008119);the Natural Science Foundation of the Education Division of Jiangsu Province (Grant No.08KJB110011)
This paper deals with the existence of solutions to a singularly perturbed second-order three-point boundary value problem for nonlinear differential systems. The authors construct an appropriate generalized lower- an...
关键词：singular perturbation nonlinear systems three-point boundary value problem upper and lower solutions 
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