2) multiple periodic solutions
多重周期解
1.
By means of this newly developed Zp index theory and the coupled differential system method developed by Kaplan J L and Yorke J A in 1974,some sufficient conditions on the existence of multiple periodic solutions for a class of delay differential equations are obtained.
对于某些非线性系统,该指标可以用来讨论其多重周期解和次调和解的存在性。
2.
Thesis mainly concerns the applications and generalizations of critical point theory to investigating periodic solutions,multiple periodic solutions and subharmonic solutions for nonlinear differential equations with deviating arguments.
本篇博士论文主要应用和推广临界点理论来研究含有偏差变元非线性微分方程的周期解、多重周期解与次调和解的存在性问题。
3.
By means of variational structure and Z2 group index theory,we obtain the existence of multiple periodic solutions to second-order functional differential equations(a(t)x′(t-τ))′-b(t)x(t)+λf(t,x(t),x(t-τ),x(t-2τ))=0.
利用变分原理和Z2不变群指标研究二阶泛函微分方程:(a(t)x′(t-τ))′-b(t)x(t)+fλ(t,x(t),x(t-)τ,x(t-2)τ)=0的多重周期解,得出相关结果。
3) regular polygon periodic solutions
正多边形周期解
4) Multiple positive periodic solution
多个正周期解
5) positive periodic solution
正周期解
1.
Permanence and positive periodic solution of a periodic predator-prey model;
周期捕食-食饵模型的持续生存和正周期解
2.
Existence of positive periodic solutions for Holling Ⅱ type functional response systems with impulse;
具有脉冲的Holling Ⅱ型功能反应系统的正周期解的存在性
3.
A positive periodic solution to Rosenzweig-Macarthur model;
Rosenzweig──Macarthur模型的正周期解
6) periodic positive solution
周期正解
1.
Using a fixed point theorem of decreasing operator,we show the existence of unique ω-periodic positive solution x~ of Lasota-Wazewska model.
利用一个关于减算子的不动点定理,得到Lasota-Wazewska模型存在唯一周期正解的充分条件。
2.
Existence of periodic positive solution in two-dimensional non-autonomous multi-delay competition system are obtained by means of topological degree and operator theory.
用度理论和算子理论方法讨论了一类非自治的二信多时滞竞争系统,获得了周期正解的存在性。
补充资料：庞加莱周期解
见周期解理论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条