查询词典 functional differential equation

In Chapter 4,we study further the exponential stability and its algebraic criterion for a linear neutral degenerate functional differential equation.

第三章考虑了一类线性退化多时滞泛函微分方程，给出了解的指数稳定及其指数稳定的代数判据。

The results are generalized to first-order neutral functional differential equation.

第四章讨论了一阶泛函微分方程解的零点分布，改进了一阶滞后型泛函微分方程在解的零点间距离的上界估计的结果，并将此结果推广到一阶中立型泛函微分方程。

Requirements of the chemical engineering systems and the theory of aeroelasticity propel the research about the neutral stochastic functional differential equation theory.

化学工程与航空理论等领域的需要，推动了中立型随机泛函微分方程理论的研究。

This paper dealt with the uniform stability and the uniformly asymptotic stability of neutral functional differential equation with infinite delay .

以B空间为相空间，利用D算子的性质及Liapunov泛函方法，研究了具无穷时滞中立型泛函微分方程零解的稳定性。

We use the Leggett and Williams fixed point theorem to discuss the existence of three positive solutions for the boundary value problem of second-order nonlinear functional differential equation.

我们使用Leggett和Williams不动点定理讨论了二阶非线性泛函微分方程边值问题的三个正解的存在性。

Further, we introduce the concept of partially symmetric positive solution and discuss the existence of three partially symmetric positive solutions for the boundary value problem of second-order functional differential equation.

进一步，我们引入了部分对称正解的概念，并讨论了二阶泛函微分方程边值问题的三个部分对称正解的存在性。

The authors obtained that the zero solutions of the functional differential equation were B uniformly stable and B uniformly asymptotically stable.

得到该方程的零解是B一致稳定且B一致渐近稳定的结论。

Using Mawhin s theroy and Liapunov funtional we discuss the existence and global weak attractivity of periodic solutions for a class of functional differential equation.

利用Mawhin的迭合度理论和Liapunov泛函，讨论了一类泛函微分方程的周期解的存在性和全局弱吸引性。

Lastly, the existence theorem of three positive solutions for the boundary value problem of second-order singular functional differential equation be established by applying the index theory of fixed points in a cone.

最后，我们应用锥上的不动点指标理论建立了二阶非线性奇异泛函微分方程边值问题的三个正解的存在性定理。

The model is a semi-empirical and semi-mechanical functional differential equation that contains both time-constant and time-dependent parameters that have clear practical meanings.

11建立了具有土壤水分胁迫历史后效影响的冬小麦生长模型，它是一个半经验、半机制的泛函微分模型，实现了水分胁迫后效影响的定量化。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。