Second-order necessary and sufficient conditions for efficient solutions are established in terms of second-order subdifferentials of vector function.
本文讨论当目标函数与支撑函数F是C~(1,1)时,包含约束下多目标规划问题的二阶最优性条件,并根据向量函数的二阶次微分建立了有效解的二阶充分必要条件。
The problem on stability of second order differential equations with both impulse and delay is investigated.
研究了带脉冲和时滞的二阶微分方程的稳定性问题。
Some oscillation criteria are given for certain second order differential equations by using an integral averaging technique.
利用积分平均技巧研究二阶微分方程(r(t)(x(t) )x′(t) )′+ q(t) f(x(t) ) g(x′(t) ) =0 。
We study some twist second order differential equations.
本文研究了具有扭转性的二阶微分方程,证明在一定条件下通过角函数的扭转所表述的几何性质可以得到周期解的存在性。
Second-order ordinary differential equations arise in a wide variety of scientific and engi-neering applications, including celestial mechanics, theoretical physics and chemistry, electronicsand semi-discretisation of partial differential equation.
二阶常微分方程在天体力学、理论物理与化学、电子学以及偏微分方程的半离散等领域具有广泛的应用。
This paper deals with numerical methods for the second-order ordinary differential equations y″(x)=f(x,y) and their numerical stability property.
主要研究二阶常微分方程初值问题y″(x)=f(x,y)的数值方法及其数值稳定性。
Reducing a Second Order Differential Equation to a Higher Equation with Constant Coefficients;
化二阶微分方程为高阶常系数微分方程
The Differential Inequality for Second Order Differential Equations which Doesn t Satisfy Nagumo s Condition;
不具备Nagumo条件的二阶微分方程的微分不等式
On the growth of the solution of two-order differential equations in the unit disc
单位圆盘上二阶微分方程解的增长性
New Oscillatory Criterias for Certain Second Order Differential Equations;
一类二阶微分方程的新振动准则(英文)
Qualitative Analysis on Several Kinds of the Second Order Nonlinear Differential Equations;
几类二阶非线性微分方程的定性分析
Solutions of Second Order Impulsive Intrgro-differential Equations in Banach Spaces;
Banach空间中二阶脉冲微分-积分方程的解
On Periodic Boundary Value Problems of Second Order Implicit Integro-differential Equation;
二阶隐积分微分方程的周期边值问题
Asymptotic Behavior of Solutions of Certain Second Order Integro-differential Equations;
二阶非线性积分-微分方程解的有界性
Second order Impulsive Integro-Differential Equations with a Derivative in Banach Spaces
Banach空间二阶带导脉冲积分-微分方程
On the Distribution of Zeros of Solutions of Second Order Differential Equations with Meromorphic Coefficients
二阶亚纯系数微分方程解的零点分布
Integral Criterion of One Kind of Second-Orden Ouaclratic Equation And Reduction of Its Integrals to Common Denominaton;
一类二阶二次微分方程的可积判据及其通积分
The Oscillation of Second Order Half - linear Ordinary Dif ferential Equations
一类二阶半线性常微分方程的振动性
Researches about the Oscillations of Several Classes of Second-Order Delay Differential Equations;
几类二阶时滞微分方程的振动性研究
Studies on Oscillation of Second-order Differential Systems;
二阶矩阵微分系统的振动性理论研究
Studies on Oscillation of Second-order Matrix Differential Equations;
二阶矩阵微分方程的振动性理论研究
Periodic Solutions for the Second Order Ordinary Differential Equation in Ordered Banach Space;
有序Banach空间二阶常微分方程的周期解
Oscillatory Property for Second Order Nonlinear Functional Differential Equations;
二阶非线性泛函微分方程的振动性质
Oscillations of a Clall of Second Order Impulses Delay Differential Equations;
一类二阶脉冲时滞微分方程的振动性