带非光滑核的奇异积分算子的交换子的加权BMO估计

研究了由BMO(ω)函数b和具有非光滑核的奇异积分算子T生成的交换子[b,T]的sharp极大函数的点态估计,证明了这类交换子是由L~p(μ)到L~q(v)上的有界算子,其中ω=(μv~(-1))~(1/p)且μ,v∈A_p,1相似文献   

Weighted Norm Inequalities for Singular Integral Operators

For a Calderón-Zygmund singular integral operator T,we show that the following weighted inequality holds     

多线性向量值奇异积分极大算子的加权不等式

本文研究向量值奇异积分极大多线性交换子的性质,得到该算子的加权估计及加权弱型估计,作为该估计的推论可知算子T_(q,(?))~*在L~p(ω)上有界,其中ω∈A_p。当ω∈A_1时,满足加权L(logL)~(1/r)型估计。     

一类多线性奇异积分算子的加权估计

In this paper, weighted estimates with general weights are established for the multilinear singular integral operator defined by TAf(x) = p. v.RnΩ(x- y)|x- y|n+1 A(x)- A(y)- A(y)(x- y) f(y)dy,where Ω is homogeneous of degree zero, has vanishing moment of order one, and belongs to Lipγ(Sn-1) with γ∈(0, 1], A has derivatives of order one in BMO(Rn).     

Sharp Function Estimates and Weighted Norm Inequalities for Multilinear Singular Integral Operators

A sharp function estimate is established for multilinear singularintegral operators. As applications, some weighted norm inequalitiesare obtained for such operators. 2000 Mathematics Subject Classification42B20.     

Two Weighted Estimates for the Commutators of Multilinear Maximal Singular Integral Operators with Dini-type Kernels

The main purpose of this paper is to investigate the properties of the higher order commutators of maximal Calderón–Zygmund operators with Dini-type kernels. Two weighted estimates have been established for these commutators. Similar results have also been extended to multilinear setting.     

带非光滑核的多线性奇异积分算子的极大交换子

本文研究了具有非光滑核的m-线性Calderon-Zygmund算子的极大交换子的Cotlar不等式,建立了上述m-线性Calderon-Zygmund算子的交换子和极大交换子的加权不等式.     

多线性分数次积分算子交换子的双权弱型不等式

多线性分数次积分算子定义为利用分数次Orlicz极大算子和sharp函数,得到了多线性分数次积分算子交换子的双权弱(p,p)型不等式成立的充分条件.     

Weighted Norm Inequalities for Marcinkiewicz Integrals with Non-Smooth Kernels on Spaces of Homogeneous Type

In this article, we obtain some weighted estimates for Marcinkiewicz integrals with non-smooth kernels on spaces of homogeneous type. The weight $\omega$ considered here belongs to the Muckenhoupt’s class $A_∞.$ Moreover, weighted estimates for commutators of BMO functions and Marcinkiewicz integrals are also given.     

Commutators of Lipschitz Functions and Singular Integrals with Non-Smooth Kernels on Euclidean Spaces

In this article, we obtain the L p-boundedness of commutators of Lipschitz functions and singular integrals with non-smooth kernels on Euclidean spaces.     

具Dini条件奇异积分算子的加权赋范不等式

目前对奇异积分算子的研究基本上都要求核满足标准型条件,现把标准型条件减弱成Dini条件,证明了核满足Dini条件的奇异积分算子关于任意权函数的几个加权赋范不等式,扩大了奇异积分算子的研究范围.     

BMO与弱核条件下的Calderón-Zygmund算子交换子的有界性

本文证明了BMO与弱核条件下Calderón-Zygmund奇异积分算子的交换子 [B,T]f=BTf-T(Bf)的L2有界性,这里B ∈BMO,T对增生的b1,b2,满足 T(b1)∈BMO,T*(b2)∈BMO,b2Tb1∈WBP．     

BMO与弱核条件下的Calderón-Zygmund算子交换子的有界性

本文证明了BMO与弱核条件下Calderón-Zygmund奇异积分算子的交换子 [B,T]f=BTf-T(Bf)的L2有界性,这里B ∈BMO,T对增生的b1,b2,满足 T(b1)∈BMO,T*(b2)∈BMO,b2Tb1∈WBP．     

粗糙核超奇异积分算子的加权有界性

利用Fourier变换和Littlewood-Paley理论,讨论了带粗糙核的超奇异积分算子的加权有界性．证明了带粗糙核的超奇异积分算子从Sobolev空间到Lebesgue空间的有界性．     

Norm Inequalities for Commutators of Self-adjoint Operators

Let A, B, and X be bounded linear operators on a complex separable Hilbert space. It is shown that if A and B are self-adjoint with and for some real numbers a ₁, a ₂, b ₁, and b ₂, then for every unitarily invariant norm|||·|||,

Norm Inequalities for Fractional Integral Operators on Generalized Weighted Morrey Spaces

Considering a class of operators which include fractional integrals related to operators with Gaussian kernel bounds,the fractional integral operators with rough kernels and fractional maximal operators with rough kernels as special cases,we prove that if these operators are bounded on weighted Lebesgue spaces and satisfy some local pointwise control,then these operators and the commutators of these operators with a BMO functions are also bounded on generalized weighted Morrey spaces.     

向量值奇异积分算子的交换子

本文分别讨 论了 Ｈａｒｄｙ Ｌｉｔｔｌｅｗ ｏｏｄ 极大 算子和奇 异积分算 子的交换 子在加权 Ｈｅｒｚ 空间 ,加权 Ｌｐ空间中的 有界性     

Weighted Norm Inequalities of Hardy Type for a Class of Integral Operators

Necessary and sufficient conditions for the boundedness from to of Volterra integral operators of the form where k(x,y) is a non-negative kernel under suitablemonotone conditions, are given. The cases 1 <p q < ,1 < q < p < and 0 < q < l < p < are considered.The results extend the well-known weighted norm Hardy inequality.     

带非光滑核的多线性奇异积分算子的有界性

该文对带非光滑核的多线性奇异积分算子建立了sharp函数估计,作为应用,得到了该多线性奇异积分算子的L~p(1p∞)范数不等式.