两类函数空间上的乘子

本文在C~n中单位球上讨论了空间F(p,q,s)到Bloch型空间β~α上的点乘子,对乘子空间M(F(p,q,s),β~α)进行了完整刻画。     

Dirichlet型空间上的乘子

本文主要根据τ与μ的不同取值分三种情况刻划了Cn中单位球上Dirichlet 型空间上的点乘子空间M(Dτ,Dμ),并通过两个函数的构造表明:当τ≤n时,包含 关系M(Dτ)(?)Dτ和当τ>μ,τ>n-1时,包含关系M(Dτ)(?) M(Dμ)是严格的.     

Cn中单位球上两个全纯函数空间之间的点乘子

在Cn中单位球上讨论了加权Bergman空间Aαp和Bloch型空间βq之间的点乘子.根据α,p,q的不同情况,得到了Aαp空间到βq空间的所有点乘子,并研究了βq空间到Apα空间的点乘子的性质.     

C~n中超球上p-Bloch空间的点乘子

讨论了Cn 中超球上p Bloch空间Bp 上的点乘子 .根据p的不同情况得到Bp 空间所有的点乘子 ,对Bp 空间的点乘子进行了完整的刻划 .     

单位球上F(p,q,s)到μ-Bloch空间的点乘子

设μ是正规函数,文中探讨了多复变中单位球上一般函数空间F(p,q,s)到广义Bloch型空间β_μ的点乘子,并给出了几个推论.     

几个全纯函数空间上的乘子

设μ,ν是两个正规函数,本文刻划了Cn中单位球B上广义Bloch型空间βμ到βν以及一般函数空间F(p,q,s)到βν的点乘子.     

Forelli-Rudin积分的帐篷嵌入与Q_p到α-Bloch空间上的积分算子

该文借助关于帐篷空间的嵌入定理与Carleson型测度特征刻画了复单位球上从Q_p空间到α-Bloch空间的广义Cesaro算子的有界性与紧性.     

几个全纯函数空间上的乘子

设μ,ν是两个正规函数,本文刻划了Cn中单位球B上广义Bloch型空间βμ到βv以及一般函数空间F(p,q,s)到βv的点乘子.     

单位球上正规权Zygmund空间上的点乘子

设μ是[0,1)上的一个正规函数,该文刻划了C~n中单位球B上正规权Zygmund空间Z_μ(B)上的点乘子.给出了Z_μ(B)上乘子算子为有界算子或紧算子的充要条件.     

Herz型Besov空间的点态乘子及应用

作者研究了Herz型Besov空间的点态乘子 ,并利用此点态乘子证明了一类拟微分算子在Herz型Besov空间上的有界性     

Weighted reproducing kernels and Toeplitz operators on harmonic Bergman spaces on the real ball

For the standard weighted Bergman spaces on the complex unit ball, the Berezin transform of a bounded continuous function tends to this function pointwise as the weight parameter tends to infinity. We show that this remains valid also in the context of harmonic Bergman spaces on the real unit ball of any dimension. This generalizes the recent result of C. Liu for the unit disc, as well as the original assertion concerning the holomorphic case. Along the way, we also obtain a formula for the corresponding weighted harmonic Bergman kernels.

     

EXTENDED CESARO OPERATORS AND MULTIPLIERS ON BMOA

In this article,we characterize the boundedness and compactness of extended Cesàro operators on the spaces BMOA by the Carleson measures in the unit ball.Mean-while,we study the pointwise multipliers o...     

On multipliers for Hardy-Sobolev spaces

It is shown that membership of holomorphic functions in Hardy-Sobolev spaces in the unit ball cannot be characterized by finiteness of any integral norm. In addition, sufficient conditions are given for a holomorphic function to be a pointwise multiplier of a Hardy-Sobolev space.

     

C^n上两个全纯函数空间之间的乘子

该文在C\+n中单位球上利用混合模空间、 Bergman 型算子、Carleson 测度、阶的估计、线性泛函等理论讨论了Bloch型空间β\+p到Dirichlet型空间D\-q的点乘子。同时该文也讨论了Dirichlet型空间D\-p到小Bloch型空间β\+ q\-0的点乘子。     

Multipliers between $ BMO $ Spaces on Open Unit Ball

and spaces consist of all those locally integrable functions on the open unit ball such that their mean oscillations on any Bergman ball are, respectively, bounded and vanishing to zero as the Bergman ball approaches the boundary of the unit ball. The harmonic (or analytic) versions of the and spaces are the Bloch space and the little Bloch space, respectively. The study of these spaces plays an important role in modern analysis, especially in the the area of operator theory and holomorphic spaces. In this paper, we characterize systematically the multipliers of and spaces. Submitted: January 9, 2001?Revised: October 16, 2002     

p -级数域重排特征系统的(C, α)}和

令G_p 为p级数域.在文献[9]中, G.Gát 和 K.Nagy 已经证明p级数域的重排特征系统的(C,1)极大算子是强 (q, q)型(1 α_n f 几乎处处收敛于f.     

Fixed points of asymptotic pointwise contractions in modular spaces

Kirk and Xu introduced the concept of asymptotic pointwise contractions. In this paper, we investigate these kinds of mappings in modular spaces. Moreover, the fixed point theorem for asymptotic pointwise nonexpansive mappings in modular spaces is also studied. The results of this paper improve and extend the results of Razani et al. [A. Razani, E. Nabizadeh, M. Beyg Mohamadi, S. Homaei Pour, Fixed points of nonlinear and asymptotic contractions in the modular spaces, Abstract and Applied Analysis, 2007 (2007)], and Kirk and Xu [W. A. Kirk, Hong-Kun Xu, Asymptotic pointwise contractions, Nonlinear Analysis 69 (2008) 4706–4712] to modular spaces.     

球上μ-Bloch空间的一种刻画(英文)

本文研究了单位球上μ-Bloch空间.利用径向导数和梯度的基本性质,我们获得了μ-Bloch空间的Holland-Walsh型刻画,推广了单位圆盘和单位球上的已有的一些结论.同时,得到了小μ-Bloch空间的相应特征.