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1.
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). 相似文献
2.
Shiliang ZHAO 《数学年刊B辑(英文版)》2018,39(6):1001-1016
Let M be a complete non-compact Riemannian manifold satisfying the volume doubling property and the Gaussian upper bounds. Denote by △ the Laplace-Beltrami operator and by ▽ the Riemannian gradient. In this paper, the author proves the weighted reverse inequality ‖△ 1/2 f‖Lp(ω) ≤ C‖|▽f|‖Lp(ω), for some range of p determined by M and w. Moreover, a weak type estimate is proved when p = 1. Some weighted vector-valued inequalities are also established. 相似文献
3.
In this paper.a characterizationis,obtained for those pairs of weight funetions on(0=∞) for which the Hardy operator Pf(x)=f(t)dt is bounded from (μ) to ,0
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4.
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. 相似文献
5.
考虑了极大向量值交换子的加权有界性.分别得到了强型和弱型的加权模不等式,其中权函数是非负局部可积函数. 相似文献
6.
研究了一维Cauchy分布的加权Poincaré不等式和加权log-Sobolev不等式.我们给出并证明了所给权函数的最优性,同时对不等式中的常数进行了阶的估计. 相似文献
7.
设(Kf)(x):∫R ̄nK(x,y)f(y)dy,本文给出了满足积分算子权模不等式的非负权函数u(x)和v(x)的一种分解结构,且该结构是使上不等式成立的充要条件,作为应用,由此给出了当时,使权模不等式成立的u(x)和v(x)的一些充分条件,其中的一种相当特殊情况便是文[1]中给出的结论。 相似文献
8.
Two types of commutator inequalities for the Hilbert-Schmidt norm are established. The first type of these inequalities is related to a classical inequality of Clarkson, and the second type is related to the unitary approximation of positive and invertible operators. 相似文献
9.
Let Ф be a non-negative locally integrable function on R^n and satisfy some weak growth conditions, define the potential type operator TФ by TФf(x)=∫R^n Ф(x-y)f(y)dy. The aim of this paper is to give several strong type and weak type weighted norm inequalities for the potential type operator TФ. 相似文献
10.
11.
探讨超收敛猜想中p=4的情形.为此目的我们推导了离散格林函数的权模估计. 相似文献
12.
证明一类带粗糙核平方函数的加权及l~r-向量值不等式,其中所用的权函数为径向权.作为推论,我们得出了带H~1-核的Marcinkiewicz积分μ_Ω的相应不等式. 相似文献
13.
14.
Weighted Modular Inequalities for Hardy Type Operators 总被引:1,自引:0,他引:1
Given weight functions , w, and v, the weighted modular inequality
is characterized. Here Qis a strictly increasing function with Q(0) = 0, Q() = and2Q(x) Q(C x), P is a Young's function, and T is the Hardy operatoror a Hardy type operator. In particular, a characterizing conditionfor the Hardy type operator to map Lp(w) to Lq(v) when 0 <q < 1 p < is deduced. In addition, a new proof for theMaz'ja-Sinnamon theorem is given, and weighted Lorentz norminequalities for Hardy type operators are established. 1991Mathematics Subject Classification: primary 26D15, 42B25; secondary26A33, 46E30. 相似文献
15.
Norm Inequalities for Commutators of Self-adjoint Operators 总被引:3,自引:0,他引:3
Fuad Kittaneh 《Integral Equations and Operator Theory》2008,62(1):129-135
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|||·|||,
. If, in addition, X is positive, then
. These norm inequalities generalize recent related inequalities due to Kittaneh, Bhatia-Kittaneh, and Wang-Du.
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16.
关于有界对称域上的混合范数空间 总被引:1,自引:0,他引:1
本文研究了Cn中有界对称域Ω上的混合范数空间H(p,q, )其中0< p< ,0<q< , 是正规函数,给出了Ω上全纯函数f的分数导数f[β]和 分数积分f[β]属于(p,q,)的等价条件。应用这些结果,就两种情形0<p≤2, 0<q< 和2≤p<,0<q< ,用全纯函数f的展式中的系数,分别给出了 f H(p,q,)的必要条件和充分条件,并证明了多调和函数u组成的混合范数空 间h(p,q,)(0<p,q< )是自共轭的. 相似文献
17.
研究多重调和Bergman空间上的Topelitz算子.对多重调和符号的Topelitz算子,给出了乘积性质、交换性质的符号描述. 相似文献
18.
闫雪芳 《数学的实践与认识》2010,40(22)
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. 相似文献
19.
Yueshan Wang 《分析论及其应用》2017,33(2)
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. 相似文献
20.
本文研究了加权Lipschitz空间上的Littlewood-Paley算子.,证明了一个加权Lipschitz 函数在Littlewood-Paley算子下的象或者几乎处处等于无穷或者仍是一个加权Lipschitz函数. 相似文献