1.
THE EXISTENCE OF PERIODIC SOLUTIONS FOR A KIND OF HIGH-ORDER DUFFING EQUATIONS WITH SIGN-CHANGING COEFFICIENT AHEAD OF NONLINEAR TERM
一类非线性项前系数可变号的高阶Duffing方程的周期解存在性问题
2.
Periodic Solutions of A Kind of Nonautonomous High Order Delay Duffing Equation
一类高阶非自治的时滞Duffing型方程周期解
3.
The Problem of Periodic Solutions for Second Order Duffing Equation with Deviating Argument;
二阶时滞Duffing型方程周期解存在性问题
4.
The Exsistence of Periodic Solution for Second Order Nonlinear Duffing Equation;
二阶非线性Duffing方程的周期解的存在性
5.
Aubry-Mather Sets of Duffing-type Equations;
Duffing型方程的Aubry-Mather集
6.
The existence of homoclinic orbit of Duffing s equation;
Duffing方程同宿轨的存在性
7.
Aubry-Mather Sets for Semilinear Duffing Equations
半线性Duffing方程的Aubry-Mather集
8.
Study on the Periodic Solutions of a Class of 2nth Order Nonlinear Duffing Equations with Damping;
一类2n阶含阻尼项的非线性Duffing方程周期解的研究
9.
Study on Liénard Equation and Duffing Equation under Nonresonance Condition;
Liénard方程和非共振Duffing方程研究
10.
The Relationships Between Duffing Equations and it's Averaged Equations
Duffing方程解与其平均方程解之间的关系
11.
Periodic Solutions for Superlinear Duffing Qeuations with Impulsive Effects;
具有脉冲的超线性Duffing方程的周期解
12.
Harmonics and Bifurcations of Harmonics and Chaos in Duffing Equation;
Duffing方程的谐波解和谐波解分支及混沌
13.
Almost Periodic Solutions of Nonlinear Duffing Equations with Damping;
带阻尼的非线性Duffing方程的概周期解
14.
The Existence of Periodic Solution of a Duffing Equation with Delay;
一类时滞Duffing型方程周期解的存在性
15.
Almost Periodic Solution of Nonlinear N-Dimentional Duffing Equation;
非线性n维Duffing方程的概周期解
16.
Existence for bounded solution of Durffing perturbation equations;
Duffing扰动方程的有界解的存在性
17.
On Littlewood s Boundedness Problem for Asymmetric Duffing Equation;
一类非对称Duffing方程的Lagrange稳定性
18.
Reaserch on the Approximate Solution to the Perutrbed Duffing Equation in Difference Form
差分形式摄动Duffing方程近似解的研究