unit ball

用法例句

Super-complex and unit ball of four-dimensional complex space;

四维复空间的超复数和单位球

Toeplitz products on the Bergman space of the unit ball

单位球Bergman空间上的Toeplitz积

Let Bn be the unit ball of Cn and φ=(φ1,…,φn) a holomorphic self-map of Bn.

设Bn是n维复空间Cn中的单位球,φ=(φ1,…,φn)是Bn到自身的一个全纯映射,令p,q>0,复合算子Cφ由(Cφf)(z)=f(φ(z))定义,通过找到一个性质很好的检验函数(见命题1)得到了单位球上p-Bloch空间到q-Bloch空间之间的有界复合算子Cφ的本性模的下界估计(具体结果见定理1)。

We obtain two formulas about the covariant derivative of the coordinate functions on the unit sphere in Eucdidean space.

得到了欧氏空间中,单位球面上坐标函数关于某一特定标架场的协变微分的两个等式。

Let M be n-dimensional compact connected oriented hypersurfaces in a unit sphere S~(n+1)(1).

设M是单位球面S~(n+1)(1)中的n维(n■3)紧致连通定向超曲面,本文研究这种超曲面的曲率结构与拓扑性质,利用Lawson和Simons关于稳定k维流的不存在性与同调群消失定理,得到了曲率与拓扑的一个关系定理,从而对Cheng Q。

This paper considers submanifold with pararrel mean curvature vector and positive curvature in a unit sphere,and we get a pinching theorem of the length of Riemanian curvature tensor.

本文讨论了单位球面Sn+p中的具有平行中曲率向量的紧致正曲率子流形,给出了一个关于黎曼曲率张量长度平方的pinching定理。

Toeplitz products on the Bergman space of the unit ball

单位球Bergman空间上的Toeplitz积

Ball-covering Properties of Banach Spaces;

Banach空间中单位球面球覆盖的若干问题

Minimal Ball-Covering of the Unit Spheres in n-dimensional Normed Spaces;

n维赋范空间单位球面的极小球覆盖

Minimal Ball-Covering of the Unit Spheres in R～n;

R～n空间中单位球面的极小球覆盖

The investigation of polarization stations by stokes son space unit sphere and poincare sphere;

Stokes子空单位球与Poincare球表示光偏振态的研究

Ball-Covering Property of Banach Space and Quotient Space;

Banach空间及商空间的单位球面覆盖性质

Compact Operators on Weighted Bergman Spaces of the Unit Ball;

单位球上加权Bergman空间上的紧算子

Toeplitz Symbol Calculus on the Unit Sphere;

n维单位球面上的Toeplitz符号演算

Q_k Spaces and Bloch-type Spaces on the Unit Ball of C～n;

C～n中单位球上的Q_k空间和Bloch型空间

Q_p and M_p Norm in the Unit Ball of C～n;

单位球上的Q_p范数和M_p范数

Submanifolds with Vanishing Moebius Form in the Unit Sphere;

单位球中Moebius形式为零的子流形

Vector-valued Random Power Series on the Unit Ball of C～n;

C～n单位球上的向量值随机幂级数

Bounded Hankel Products on Bergman Space in the Unit Ball;

单位球上Bergman空间中的有界Hankel乘积

Volterra Operator on BMOA Space in the Unit Ball;

单位球上BMOA空间中的Volterra算子

Little α-Bloch Spaces and Random Power Series;

单位球上小α-Bloch空间与随机幂级数

Composition Operators on the Hardy Space of the Unit Ball;

单位球上Hardy空间上的复合算子

The Moebius Minimal Submanifolds in a Unite Sphere;

单位球面上的Moebius极小子流形

Some Problems for Toeplitz Operators on Bergman Space of the Unit Ball

单位球的Bergman空间上Toeplitz算子的若干问题