invariant subspace problem

The existence for invariant subspaces of general JC~*-algebra onΠ_1 spaces is studied,and the sufficient conditions of the existence of invariant subspaces for different JC~*-algebra onΠ_1 spaces are obtained.

讨论了Π_1空间上一般JC~*-代数的不变子空间的存在条件问题,得到各类JC~*-代数存在Π_1型不变子空间的等价条件。

In Chapter Two,under the framework of analytic Hilbert modules,we consider the classification of translation invariant subspaces of the Fock type spaces up to unitary equivalence.

在第二章中,我们将Fock型空间纳入解析Hilbert模的框架之下,考虑了它的平移不变子空间在酉等价意义下的分类。

In this paper,we mainly discuss the property of invariant subspaces of the weighted Hardy spaces H2(βn).

讨论了加权Hardy空间H2(nβ)上的不变子空间的一些性质,设Β和M分别是加权Hardy空间上加权移位算子和非平凡的不变子空间,令PM是H2(βn)到M的正交投影算子,证明了PMΒ(H2(nβ)M)在M中不稠密的等价于M中存在非零元f满足Β*f∈M。

Direct decomposition of invariant subspace and its application;

不变子空间的直和分解及应用

Similarity—invariant subspaces and similarity—preserving linear maps on C_p;

C_p上的相似不变子空间和保相似线性映射

Domination Property and Invariant Subspaces for AM-compact and Dunford-Pettis Operator;

AM-紧算子和Dunford-Pettis算子的控制性质与不变子空间

Displacement function method of space problem for transversely isotropic foundation;

横观各向同性地基空间问题的位移函数解法

The fundamental equation of the space problem for transversely isotropy piezoelectric/piezomagnetic and elastic media is observed.

从横观各向同性压电、压磁弹性体空间问题的基本方程出发,建立由位移、电势和磁势函数所表示的控制偏微分方程组,通过引入势函数来研究压电,压磁弹性体的空间问题一般解。

considering the difference in problem space associated in selecting a mining method in different mine exploit stages,the classifications of mining methods are divided into two cases, which are the mining methods in feasibility study and methods in production stage.

根据采矿方法选择所涉及的“问题空间”的不同，本文将采矿方法选择分为：可行性阶段的采矿方法选择和矿山生产阶段的采矿方法选择。

Developing a software is actually a transformation from the "problem space" to the "solution space".

软件开发过程实际上是"问题空间"向"方案空间"的转换过程。

Solving a mathematical problem is a procedure of seeking out a road that links the initial state with the final state of the problem in problem space.

数学问题的解答 ,是在问题空间中寻求一条由问题初始状态到目标状态的通路 ,用数学方法描述这一过程 。

The classification problem of quasi-invariant subspaces of Fock space is explored and especially the classification of similar transformation of quasi-invariant subspaces generated by no-leading-term polynomial is studied.

探索Fock空间的拟不变子空间在相似意义下的分类问题,主要研究无主项多项式生成的拟不变子空间的相似变换的分类问题,给出了和z+w生成的拟不变子空间相似的拟不变子空间的完全刻画。

One of the most important, most difficult, and most exasperating unsolved problems of operator theory is the problem of invariant subspaces.

算子理论中最重要、最困难也最令人烦恼的未解决问题之一就是不变子空间问题。

On the Quasi-variational Inequality Problems of Fuzzy Function in Generalized Convex Spaces;

广义凸空间中Fuzzy映象的拟变分不等式问题

On Vector Quasi-variational Inequality Problems in Generalized Convex Spaces;

广义凸空间中向量值拟变分不等式问题(英文)

EXCEPTIONAL FAMILIES OF ELEMENTS FOR A VARIATIONAL INEQUALITY PROBLEM ON HILBERT SPACE

空间中变分不等式问题解的存在性与例外簇

compact perturbations of hyperinvariant subspace

超不变子空间的紧摄动

Property of Invariant Subspaces in the Weighted Hardy Space

加权Hardy空间上的不变子空间的性质

Pinching Problems for Space-like Submanifolds in De Sitter Space;

de Sitter空间中类空子流形的拼挤问题

Critical Problems of Non-isotropic Subspaces in Finite Orthogonal Spaces of odd Characteristic

奇特征有限正交空间中非迷向子空间的Critical问题

On generalized nonlinear variational inequalities in locally convex Hausdorff topological vector spaces

关于局部凸的Hausdorff拓扑向量空间中的广义变分不等式问题

Variational Inclusions in Banach Spaces;

Banach空间中的变分包含问题

The State Vector Method for Layered Space Piezoelectric Media;

层状压电材料空间问题的状态变量法

Variational Problem of Function Without Lower Bounds in Banach Space

Banach空间中无下界函数的变分问题

It is important to analyse electric field of electric dipole in studying polarization and electric field of dielectric and electromagnetic wave radiation etc.

本文讨论了几种不同情况下电偶极子在空间激发的电场问题。

Design of electrostatic foc using system of the space electron beam gun

空间用电子束焊枪电聚焦问题的研究

Some Problems about James Space and the Operators on It;

James空间及其上算子的有关问题

Iterative Approximation Problems for Nonlinear Operators in Banach Spaces;

Banach空间中非线性算子的迭代逼近问题

Research on Several Key Problems of Subspace Skyline Queries;

子空间SKYLINE查询若干关键问题的研究

Extension of operators on Riesz space with extended a-norm;

赋扩张a-范数Riesz空间上算子的延拓问题