查询词典 unit ball

In this paper, Chapter One describes the equivalent characterization of Bloch type space on the unit ball. By using it, a new condition is given, under which the composition operation between Bloch type space on the unit ball will be a bounded operator.

本文第一章给出了单位球上Bloch型空间的等价刻划，作为应用得到了单位球上Bloch型空间之间复合算子为有界算子的一种新条件。

In the first chapter, we study a sufficent condition for a operator is compact on Bergman space of the unit ball.

本文在第一章中就复超球上Bergman空间上的算子为紧的充分条件进行了研究，在附加了一定的条件，给出了算子为紧的充分条件。

The title of this article is the estimate of the essential norm of a compositionoperator between Bloch-type spaces in the unit ball of C^n. That is to say, making useof the tool of the essential norm ,we get the upper estimate and the lower estimate ofthe composition operator which we have studied .In addition, we get a sufficient andnecessary condition for the composition operator to be compact.

本文主要讨论了单位球上Bloch型空间之间复合算子的本性模估计，即用本性模这个工具来研究复合算子并给出了我们所研究算子的本性模的上界和下界估计，并由此可以得到相应算子紧的充要条件。

In chapter 4, we give the definitions of almost spirallike mappings of type β and order α, spirallike mappings of type β and order α and strongly spirallike mappings of type β and order α, and obtain their growth and covering theorems on the unit ball in complex Banach spaces.

在第四章中，我们在复Banach空间中的单位球上定义了几类新的映射：α次的殆β型螺形映射，α次的β型螺形映射和α次的强β型螺形映射，并且证明了它们的增长掩盖定理。

In this paper, we use the Pluricomplex Green function to investigate the iterative poperties of holomorphic self-maps, which are defined on the unit disk, the unit ball, the bounded strongly convex domain and the bidisc.

基于该思路，本文就利用多复Green函数，在分别研究了单位圆、超球、有界强凸域以及双圆柱上全纯自映射迭代的基础上，进一步研究了一特殊非凸域-Hartogs三角形上全纯自映射迭代的性质。

This thesis expands the research on the nonlinear diffusion with nonlinear boundary sources to the multi-dimensional exterior domain of the unit ball and the more general equation in the form.

本文将原有的关于具非线性边界源的非线性扩散方程的研究在本质上推广到了高维情形，而且在方程类型上还推广到了更一般的形式以及含一阶项的情形。

We give some equivalent characterizations of Bloch type functions in term of fractional derivative, via studying the relative of growth of the different order fractional derivatives of holomorphic function, including the form of supremum and limit, the form of integral and Carleson measure, which are the generalizations of some known results in the unit disc and in the unit ball.

我们从研究全纯函数分数次导数的增长性入手，利用分数次导数给出了它的一类刻画，包括上确界和极限形式的特征，积分形式的特征以及Carleson测度形式的特征，推广了单位圆盘和单位球上一些已有的结论。

The existence of the radially classical solutions with Dirichlet boundary value in unit ball was investigated. Based on perturbation technique, topological method and comparability theorem, the existence of the radially symmetric solutions for the generalized mean curvature equations with proper presupposition was established.

在单位球内考虑广义平均曲率方程组具有Dirichlet边值条件的径向古典解，运用摄动技巧、拓扑方法及比较原理，在一个适当的条件下，证明了广义平均曲率方程组径向对称解的存在性。

Recently, many researchers argued that the Holomorphic function on the unit disc and the unit ball belongs to the sufficient and necessary conditions of Bloch space β.

目前，国内外许多分析数学的研究者们已证明了单位园上及单位球上的一个全纯函数属于Bloch空间β的充要条件。

Firstly, We define several weighted spaces of holomorphic functions on the unit ball, HL〓, Z〓, B〓 and J〓.

主要内容如下： 1、定义了单位球B〓上的几个加权函数空间HL〓，Z〓，B〓和J〓。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。