It is a difficult problem studying the existence of periodic solutions of differentialequation in abstract Spaces.
研究抽象空间微分方程周期解的存在性一直是比较困难的问题。
2
The second chapter discusses and proves the existence and uniqueness of periodic solutions and stability of a neutral integral and differentialequation with infinite delay in detail.
第二章详细论证了一类具有无穷时滞中立型积分微分方程周期解的存在唯一性和稳定性。
3
The periodic wave solutions of the generalized CH equation are investigated by using bifurcation theory of differential equations and numerical simulations.