When the time-map satisfies limit conditionwe prove that the equation has at least one 2π- periodic solution by using the phase-plane analysis methods and Poincare-Bohl fixed point theorem .
设时间映射满足极限条件应用相平面分析方法和Poincaré-Bohl不动点定理证明了方程至少存在一个2π-周期解。
参考来源 - 具有奇异性的Duffing方程周期解的存在性与多解性·2,447,543篇论文数据，部分数据来源于NoteExpress
应用推荐