二阶微分方程

本文利用整体反函数理论，研究了半线性二阶微分方程周期边值问题，给出了周期解存在唯一性的充分条件。

The existence and uniqueness about semilinear second-order differential equation are established by using global inverse function theorems .

对大多数作者来说，奇异二阶微分方程的研究已经有了一些初步的研究成果（参见文献[19]）。

To the knowledge of the authors , singular second-order differential equation boundary value problems have been studied extensively in the literature .

运用等效负阻的方法，导出了描述LC串联电路非共振固有振荡的变系数二阶微分方程；

It can be described by the negative-resistance concept and the second-order change coefficient differential equation .

Hilbert空间中的二阶微分方程问题

Second-order Differential Equations in Hilbert Space

由线性弯曲理论推出了受内压P作用的缠绕玻璃钢环壳极限方程，它是含两个变量的二阶微分方程组。

The limit equations of filament & wound GRP toroidal shell are de - rived by linear bending theory under internal pressure . P. The equations are differential equations of second order with two variables .

利用Green函数来求特解形式，把原来的二阶微分方程简化成一次积分形式，再由复化梯形公式求积法进行数值求解。

First we apply Green 's functions in special solution , simplifying the second order problems to the first order integral formulation , then we deal with its numerical solution by the compound trapezoidal formula .

a-N曲线的二阶微分方程建模拟合法

The Second Order Differential Equation Modeling Method Fitting Fatigue Crack Propagation a-N Curve

本文主要利用反极大值比较原理研究了带有Neumann边界条件的二阶微分方程解的唯一性条件。

In this paper , we deal with the uniqueness conditions to second order differential equation with Neumann boundary value conditions by applying the Anti-maximum comparison principle .

本文利用单调迭代法，研究了Banach空间中二阶微分方程两点边值问题解的存在唯一性并改进和推广了一些新近结果。

By means of monotone iterative technique , the paper investigates the existence and uniqueness of the solutions of the two-point boundary value problem for second order differential equations in Banach spaces , improves and extends some recent results .

应用锥拉伸和锥压缩不动点理论讨论了有关p-Laplacian算子的二阶微分方程奇异边值问题多个正解的存在性。

The existence of multiple positive solutions is studied for the second order singular boundary value problems with a p-Laplacian operator , by using the fixed theory in cone .

关于二阶微分方程的J.S.Wong猜想

On the conjecture of j.s.wong

关于二阶微分方程的解的有界性

On the boundedness of solutions of differential equations of second order

奇异二阶微分方程狄利克莱边值问题解的存在及惟一性

The existence and uniqueness for singular Dirichlet boundary value problems

二阶微分方程亚纯解的三阶导函数的不动点

Fixed points of three-order derivatives of meromorphic solutions of second-order differential equations

扭转性质和无先验界的二阶微分方程

Twist Property and the Second Order Differential Equations Without a Priori Bounds

具有时滞的二阶微分方程的周期解

Periodic Solutions of Forced Second Order Differential Equations with Delay

一类二阶微分方程的新振动准则（英文）

New Oscillatory Criterias for Certain Second Order Differential Equations ;

关于线性二阶微分方程有界解问题

The problem of boundedness of solutions of linear differental equation of second order

二阶微分方程模糊初值问题的数值解

Numerical Solution of Differential Equation of Second Order in Fuzzy Initial Value Condition

具有非负特征的二阶微分方程解的光滑性

The smoothness of the solution of second order differential equation with nonnegative characteristics

作为应用，考虑了二阶微分方程组，得到了新的结论。

As applications , a second order system of differential equations is considered .

关于二阶微分方程的存在性定理

On existence theorems of differential equation of order two

单位圆盘上二阶微分方程解的增长性

On the growth of the solution of two-order differential equations in the unit disc

二阶微分方程解的存在唯一性及解的性质

Existence and Uniqueness of Solution to Second-order Differential Equations and Some Properties of Solution

具非负特征形式的二阶微分方程的第一边值问题

The first boundary value broblems of second order differental equations with nonnegative characteristic form

具时滞的二阶微分方程组一致渐近稳定的条件

On the uniformly asymptotically stability condition for a two-degree differential equation groups with time lag

关于二阶微分方程周期解的研究

Study on Differential Equation to Two Rank

二阶微分方程的非常规解法

Unconventional Solution to Second Order Differential Equation

用泛函的方法研究一类二阶微分方程周期解的存在性。

We studied a class of two order differential equations by means of the functional method .

关于一类带有慢变系数的二阶微分方程的渐近解

On the Asymptotic Solutions for a Class of Second Order Differential Equations with Slowly Varying Coefficients