期刊文献+

一类线性项前系数可变号的高阶Duffing方程周期解的存在性和唯一性 被引量:3

Existence and Uniqueness of Periodic Solutions for a Kind of High-Order Duffing Equation with Sign-Changing Coefficient Ahead of Linear Term
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摘要 利用重合度理论研究了一类高阶Duffing方程x^(m)(t)+β(t)x′(t)+g(t,x(t))=e(t),得到了周期解存在性和唯一性的一些结论.有意义的是线性项前的系数β(t)可变号,这在现有的文献中是很少见到的. By using the continuation theorem of coincidence degree theory,the author studies a kind of high-order Duffing equation as follows:x^((m))(t) + β(t)x'(t) + g(t,x(t)) = p(t).Some results on the existence and uniqueness of periodic solutions are obtained.The interesting point is that the coefficient β(t) is allowed to change the sign.
作者 李晓静
出处 《数学年刊(A辑)》 CSCD 北大核心 2010年第5期631-636,共6页 Chinese Annals of Mathematics
基金 江苏省自然科学基金(No.BK2009105 No.BK2008119) 江苏省高校自然科学基金(No.09KJD110001 No.08KJB110011) 安徽省教育厅自然科学基金重点项目(No.KJ2008A05ZC) 江苏技术师范学院青年科研基金(No.KYY08033)资助的项目
关键词 高阶 DUFFING方程 重合度 周期解 High-order Duffing equation Coincidence degree Periodic solution
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共引文献21

同被引文献24

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