λ-中心Morrey空间上的Calderon-Zygmund算子的多线性交换子(英文)

作者研究得到了由Calderon-Zygmund算子和向量符号b=(b_1,b_1,…,b_m)产生的多线性交换子T_b~m在λ-中心Morrey空间上的有界性.进一步,建立了由多线性Calderon-Zygmund算子和λ-中心BMO函数产生的多线性交换子T_b~m在λ-中心Morrey乘积空间上的有界性.     

一些函数空间上带Dini核的Calderón-Zygmund算子的交换子（英文）

本文主要建立了带Dini核的Calderón-Zygmund算子与加权Lipschitz函数生成的交换子在加权Lebesgue空间以及加权广义Morrey空间上的有界性.进一步,给出了带Dini核的奇异积分算子在加权中心Morrey空间上的加权λ-中心BMO估计.     

Heisenberg群上一类算子的有界性

设 F是λ阶正则的齐次分布,-Q≤λ<0。作者研究了Heisenberg群上的算子g*F在加幂权的Lebesgue空间和Herz型 Hardy空间上的有界性,其中 g是一恰当的函数。而且,本文还得到了由BMO(H~n)函数和线性算子T所生成的交换子[b,T]在Herz空间上的有界性。     

分数次Hardy算子的交换子在变指数Herz-Morrey空间中的有界性

本文主要建立了由分数次Hardy算子与BMO函数生成的交换子从变指数Herz-Morrey空间MK_(q1,p1(·))~(α,λ)(Rn)到MK_(q2,p2(·))~(α,λ)(Rn)的有界性.对n维Hardy算子的交换子也证明了类似的结果.     

齐次Morrey-Herz空间中高阶交换子的中心BMO估计

建立了具有粗糙核的Hardy—Littlewood极大算子高阶交换子及其相应的分数次极大算子高阶交换子在齐次Morrey-Herz空间上的中心BMO估计,并由此得到了由一类次线性算子所生成的高阶交换子在齐次Morrey—Herz空间上的相应结果.     

内蕴平方函数交换子在加权弱Hardy空间上的端点估计

证明了由BMO函数与α阶内蕴面积函数S_α和内蕴g_(λ,α)*函数生成的交换子都是由加权弱Hardy空间WH_(b,ω)~1到加权弱L1空间WL_ω~1上的有界算子.     

加权变指标Herz-Morrey空间上的双线性Hardy算子的交换子

本文利用权范数给出BMO函数的一个新刻画.作为此刻画的一个应用,获得了双线性Hardy算子和BMO函数生成的交换子在加权变指标Herz-Morrey乘积空间上的有界性.     

Calderón——Zygmund 型算子及其交换子的有界性

本文得到了Calderón--Zygmund型算子及其与BMO函数或Lipschitz函数生成的交换子在Herz 型 Hardy空间上的一些有界性结果.     

齐次Morrey-Herz空间中交换子的中心BMO估计

设T_b为广义Hardy算子和中心BMO函数生成的交换子,本文得到了该交换子在齐次加权Morrey-Herz空间中的有界性.而且,本文给出了带粗糙核的多线形奇异积分算子在齐次Morrey-Herz空间中的中心BMO估计.     

伴随BMO函数的交换子在Herz型Hardy空间上的加权有界性

记 [b ,T]为由BMO函数b与广义Calder幃ｎ Zygmund算子T生成的交换子 .研究了 [b ,T]在Herz型Hardy空间上的有界性及其加权有界性 .     

λ-Central BMO estimates for multilinear commutators of fractional integrals

The author establishes λ-central BMO estimates for commutators of multilinear fractional integral operators on central Morrey spaces.     

A characterization of λ-central BMO space

We give a characterization of the λ-central BMO space via the boundedness of commutators of n-dimensional Hardy operators.     

λ-central BMO Estimates for Higher Order Commutators of Hardy Op erators

In this paper, the λ-central BMO estimates for higher order commuta-tors of Hardy operators on central Morrey space Lq,λ（Rn） are established. In the meanwhile, the corresponding corollary for central BMO estimates is also obtained.     

CBMO estimates for multilinear Hardy operators

The purpose of this paper is to study the multilinear Hardy operators in higher dimensional cases and establish the CBMO estimates for multilinear Hardy operators on some function spaces, such as the Lebesgue spaces, the Herz spaces and the Morrey-Herz spaces.     

Weighted Hardy operators and commutators on Morrey spaces

The operator norms of weighted Hardy operators on Morrey spaces are worked out. The other purpose of this paper is to establish a sufficient and necessary condition on weight functions which ensures the boundedness of the commutators of weighted Hardy operators (with symbols in BMO(ℝ ⁿ )) on Morrey spaces.     

Hausdorff Operators on Function Spaces

The authors mainly study the Hausdorff operators on Euclidean space Rn.They establish boundedness of the Hausdorff operators in various function spaces,such as Lebesgue spaces,Hardy spaces,local Hardy ...     

带粗糙核的奇异积分交换子的有界性

本文研究了带粗糙核的奇异积分算子与BMO函数生成的交换子的有界性问题.利用原子分解的方法,获得了带粗糙核的奇异积分交换子TΩb在Lp空间、Hardy空间、弱Hardy空间上的有界性结果,推广了交换子Tb在各类函数空间上有界性的结果.     

Real interpolation between martingale hardy and BMO spaces

In this paper, we consider the real interpolation with a function parameter between martingale Hardy and BMO spaces. An interpolation theorem for martingale Hardy and BMO spaces is formulated. As an application, real interpolation between martingale Lorentz and BMO spaces is given.     

Continuity of Higher Order Commutators on Certain Hardy Spaces

In this paper, the autors study the continuity properties of higher order commutators generated by the homogeneous fractional integral and BMO functions on certain Hardy spaces, weak Hardy spaces and Herz-type Hardy spaces. Received October 13, 2000, Accepted November 29, 2001     

Endpoint estimates for n-dimensional Hardy operators and their commutators

In this paper,the sharp bound for the weak-type(1,1) inequality for the n-dimensional Hardy operator is obtained.Moreover,the precise norms of generalized Hardy operators on the type of Campanato spaces are worked out.As applications,the corresponding norms of the Riemann-Liouville integral operator and the n-dimensional Hardy operator are deduced.It is also proved that the n-dimensional Hardy operator maps from the Hardy space into the Lebesgue space.The endpoint estimate for the commutator generated by the Hardy operator and the(central) BMO function is also discussed.