Variation Preserving Extensions and Generalized Essential Variation

A mapping from a subset of the real axis to a metric space with finite generalized variation is shown to admit extension to a mapping of the whole real axis with the same variation. This result leads to characterization of the generalized essential variation of a mapping.     

Generalized Bounded Variation and Inserting Point Masses

Let d μ be a probability measure on the unit circle and d ν be the measure formed by adding a pure point to d μ. We give a formula for the Verblunsky coefficients of d ν following the method of Simon. Then we consider d μ ₀, a probability measure on the unit circle with ℓ ² Verblunsky coefficients (α _n (d μ ₀)) _n=0^∞ of bounded variation. We insert m pure points z _j into d μ ₀, rescale, and form the probability measure d μ _m . We use the formula above to prove that the Verblunsky coefficients of d μ _m are in the form , where the c _j ’s are constants of norm 1 independent of the weights of the pure points and independent of n; the error term E _n is in the order of o(1/n). Furthermore, we prove that d μ _m is of (m+1)-generalized bounded variation—a notion that we shall introduce in the paper. Then we use this fact to prove that lim  _n→∞ φ _n ^*(z,d μ _m ) is continuous and is equal to D(z,d μ _m )⁻¹ away from the pure points.      

Semicontinuity of Solution Mappings to Parametric Generalized Vector Equilibrium Problems

In this article, stability results concerning the lower semicontinuity and the Hausdorff upper semicontinuity of the solution mappings to parametric generalized vector equilibrium problems with neither the monotonicity of mappings nor any information of the solution mappings are established by using scalarization methods and a new density result.     

模糊(Fuzzy)映象的广义补余问题*

本文引入一类关于模糊(Fuzzy)映象的新的广义补余问题,构造出一类新的迭代算法.我们讨论这类广义补余问题解的存在性及迭代序列的收敛性.     

Omniscience Principles and Functions of Bounded Variation

A very weak omniscience principle is formulated, related omniscience principlesare considered, and the theorem that a function of bounded variation is the difference of two increasing functions is shown to be equivalent to the omniscience principle WLPO. It is a so shown that an arbitrary function (not necessarily strongly extensional) with located variation on an interval is the difference of two increasing functions.     

广义有界变差函数的发展与应用

本文讨论下列问题：１．１９７２年至１９９２年间广义有界变美函数的定义，性质包括函数类东省ΛＢＶ，ΦＢＶ，ΛＢＭＶ，ΦΛＢＭＶ，φΛＢＶ，φΛＢＭＶ等等．２．广义有界变差函数在Ｆｏｕｒｉｃｒ分析及逼近论中的应用．     

Strong Convergence Theorems for a Countable Family of Multi-Valued Bregman Quasi-Nonexpansive Mappings in Reflexive Banach Spaces

This article uses the shrinking projection method introduced by Takahashi, Kubota and Takeuchi to propose an iteration algorithm for a countable family of Bregman multi-valued quasi-nonexpansive mappings in order to have the strong convergence under a limit condition in the framework of reflexive Banach spaces. We apply our results to a zero point problem of maximal monotone mappings and equilibrium problems in reflexive Banach spaces. The results presented in the article improve and extend the corresponding results of that found in the literature.     

The Covering Theorems for Normalized Holomorphic Mappings on Bounded Starlike Circular Domains in C~n

In this paper, we will investigate convex domains and starlike domains which contain the image set of normalized holomorphic mappings on bounded starlike circular domains in Cn.     

集值度量广义逆及其单值选择的判定准则特征

研究Banach空间中线性算子的集值度量广义逆及其单值选择问题,给出一个集值映射成为度量广义逆或单值算子为其单值选择的充要条件.     

On Stability of $L$-Fuzzy Mappings with Related Fixed Point Results

In this paper, a general idea of Presic type $L$-fuzzy fixed point results using some weakly contractive conditions in the setting of metric space is initiated. Stability of $L$-fuzzy mappings and associated new concepts are proposed herein to complement their corresponding notions related to crisp multi-valued and single-valued mappings. Illustrative nontrivial examples are provided to support the assertions of our main results.     

Banach空间中一类集值度量广义逆的连续选择

讨论Banach空间中余一维闭值域有界线性算子的集值度量广义逆问题,在一定的条件下,给出该集值度量广义逆的连续单值选择的具体表达式,部分解决了M.Z.Nashed与G.F.Votruba提出的研究问题.     

Banach空间中一类集值度量广义逆的连续线性选择

对于Banach空间中余一维闭值域有界线性算子的集值度量广义逆,给出其具有连续线性选择的充分必要条件.结果是对M.Z.Nashed与G.F.Votruba提出的研究问题的部分回答.     

完备凸度量空间中(次)相容和集值广义非扩张映象的公共不动点定理

本文在完备凸度量空间中,利用集值和单值映象(次)相容的一些条件,建立了数值广义非扩张映象存在公共不动点的一个充要条件和一个充分条件.我们的结果改进、扩充和发展了文[2～7]中的主要结果.     

Box Dimension of Weyl Fractional Integral of Continuous Functions with Bounded Variation

We know that the Box dimension of f(x) ∈ C~1[0,1] is 1. In this paper, we prove that the Box dimension of continuous functions with bounded variation is still1. Furthermore, Box dimension of Weyl fractional integral of above function is also 1.     

一类脉冲微分系统的有界变差解

在比文[6]更弱的条件下讨论了固定时刻脉冲微分系统与Kurzweil广义常微分方程的关系,并建立了这类脉冲微分系统有界变差解的局部存在性和唯一性定理．     

具有分段有界变差系数的三角级数

通过引入所称谓的分段有界变差数列(PBVS),将关于具有非负系数的三角级数的收敛性和可积性的经典结果推广到具有可变系数(允许变号)的三角级数.     

有界广义逆模映射的刻画及其应用

本文引入了有界广义逆模映射的概念,并给出了等价刻画．然后利用它为工具获得了一类重要的有界模映射的因子分解定理,使得著名的Douglas分解定理成为其特例．     

可补闭子模和有界广义逆模映射

引入了“有界广义逆模映射”的概念 ,并给出了等价刻画 .揭示了有界广义逆模映射和可补闭子模的内在联系 .