1) Hardy's Average Operator
Hardy平均算子
2) weighted Hardy-Littlewood average operator
加权Hardy-Littlewood平均算子
1.
In this note, the authors obtain some necessary and sufficient conditions for the weighted Hardy-Littlewood average operator, Uψ, to be bounded on Herz spaces Kqα,p(Rn), and give some estimates for the corresponding operator norms.
本文给出了加权Hardy-Littlewood平均算子Uψ在Herz空间Kqα,p(Rn)中有界的充分必要条件并估计了相应的算子范数。
3) Hardy mean
Hardy平均
1.
We study the subject of inequalities involving Hardy means in this paper.
本文研究了涉及Hardy平均的不等式问题。
5) Hardy-Littlewood operator
Hardy-Littlewood算子
1.
Based on the definition of the Hardy -Littlewood operator,which is expan ded to even or odd function in real and the boundedness of the Hardy -Littlewood operator in the space BMO,this paper studies the qualities of operator in the space an d develops the new result of boundedn ess of the Hardy -Littlewood operato r in the space by estimating delicately.
文献[2]中,给出了R上奇偶延拓的Hardy-Littlewood算子的定义,并证明了Hardy-Little-wood算子在函数空间BMO上的有界性。
6) Hardy operator
Hardy算子
1.
Certain characterizations of some nonlinear difference equations having increasing positive solutions are obtained,these characterizations are related to the weighted boundedness of the discrete Hardy operator.
对一类具有单调正解的非线性二阶差分方程 ,得到了其刻划 ,这些刻划与离散的 Hardy算子的加权有界性相关。
2.
Characterizations are obtained for those pairs of weight functions U,V or which the Hardy operator Tf(x)=integral from n=0 to x(f(t)dt) is bounded from space L~P(R_,vdx)to L~q(R+,udx),Where 1≤q< p<+∞,R_=(0,+∞).
本文得到了Hardy算子Tf(x)=integral from n=0 to z(f(t)dt)从空间L~p(R+,vdx)到L~q(R+,Udx)有界的权函数对(u,v)的特征,其中1≤q
补充资料：凹算子与凸算子
凹算子与凸算子
concave and convex operators
凹算子与凸算子「阴~皿d阴vex.耳阳.勿韶;.留叮.肠疽“‘.小啊j阅雌口叹甲司 半序空间中的非线性算子，类似于一个实变量的凹函数与凸函数. 一个Banach空间中的在某个锥K上是正的非线性算子A，称为凹的(concave)(更确切地，在K上u。凹的)，如果 l)对任何的非零元x任K，下面的不等式成立: a(x)u。(Ax续斑x)u。，这里u。是K的某个固定的非零元，以x)与口(x)是正的纯量函数; 2)对每个使得 at(x)u。续x《月1(x)u。，al，月l>0，成立的x‘K，下面的关系成立二 A(tx))(l+，(x，t))tA(x)，0
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参考词条