indefinite operator

Characteristics of the non-definite differential operators in Krein space and the relationship between the left-definite and the right-definite operators are used for the study.

本文研究了一类六阶左定微分算子的谱,利用krein空间中不定微分算子的特征以及左定微分算子与右定微分算子的关系,得到结论:自伴边界条件的六阶左定微分算子的特征值均为实数,而且上无界下无界,且算子的特征值可以排序为…≤λ-2≤λ-1≤λ-0<0<λ0≤λ1≤λ2≤

This paper investigates the existence of maximal and minimal solution of the periodic boundary problem for nonlinear second order ordinary differential equation with discontinuous terms in Banach spaces, by using upper and lower solution and fixed point theorem for increasing operators.

在Banach空间中利用上下解方法与增算子不动点定理,研究了含间断项的二阶非线性常微分方程周期边值问题的最大解、最小解的存在性,推广和改进了现有的结果。

King-Werner iteration for nonlinear Ill-posed operator equation

非线性不适定算子方程的King-Werner迭代法

The Study of Frozen Landweber Iteration for Nonlinear Ill-Posed Problems;

非线性不适定算子方程的Frozen Landweber迭代法研究

The Study of Runge-Kutta Type Landweber Iteration for Nonlinear Ill-Posed Problems;

非线性不适定算子方程的Runge-Kutta型Landweber迭代法研究

A Regularized Homotopy-Extension Method for Nonlinear Ill-Posed Operation Equation;

非线性不适定算子方程的正则同伦延拓方法研究

Characteristics of the Best Approximation Solution of Ill-posed Linear Operator Equation

不适定线性算子方程最佳逼近解的特征

Two Method Solving Self-adjoint Operator Equation by Introducing Complex Operator;

基于不适定自共轭算子方程引入复参数的两种算法

On the relationship of higer-order symmetric ordinary differential operators with middle deficiency indices and the well-posedness of a kind of ordinary differential equations;

高阶奇异对称微分算子亏指数与一类方程适定性的关系

The Approximation of the Almost Surjective ε-Isometric Operator and the Stability of the Operator Equation;

几乎满ε-等距算子的逼近和算子方程的稳定性

Positive Definite Solutions of Operator Equation x＋a~*x~(-1)a=e;

算子方程x+a~(*)x~(-1)a=e的正定解

The Symposium on Schrodinger Equation of Harmonic Oscillator;

谐振子含时薛定谔方程的辛算法研究

Stability of Homomorphisms of Cauchy Functional Equation

Cauchy算子方程同态的稳定性

Solves a kind of higher mode indefinite equation using the Pell equation formula;

应用Pell方程解一类高次不定方程的计算公式

The Ishikawa Iteration Proccess Stability about Equation including a k-subaccretive Operator T;

含有k-次增生算子方程的Ishikawa迭代过程的稳定性

A Multipe Attribute Decision Making Method Based on Uncertain IOWGA Operator;

基于不确定IOWGA算子的多属性决策方法

Testing and Discussion on the Factors and Equations of Optimum International Reserves

最适国际储备度量因子和估算方程的检验及讨论

Error Estimate to the Simplified Iteration for the PositiveSemi-Definite,Compact and Self-Adjoint Operator Equation

自共轭半正定紧算子方程简化迭代的误差估计

GENERAL EXISTENCE THEOREMS OF RANDOM SOLUTIONS FOR EQUATIONS OF RANDOM SET-VALUED OPERATORS

随机集值算子方程随机解的一般存在性定理

THREE SOLUTION THEOREMS AND ACUTE ANGLE PRINCIPLE FOR NONLINEAR OPERATOR EQUATIONS

非线性算子方程的三解定理与锐角原理