1) Riesz representable operator
Riesz可表示算子
2) Riesz-expression
Riesz表示
3) Bochner-Riesz operator
Bochner-Riesz算子
1.
The maximal multilinar commutator generated by the Bochner-Riesz operator and the BMO functions were introduced,and the weighted boundedness for the commutator on the Hardy type spaces were obtained by using the atomic decompositions.
引入了一类由Bochner-Riesz算子和BMO函数构成的极大多线性交换子,并利用原子分解的方法证明了该极大多线性交换子在Hardy型空间中的加权有界性。
2.
The operators include Littlewood-Paley operator, Marcinkiewicz operator and Bochner-Riesz operator.
讨论了某些多线性积分算子在Triebel-Lizorkin空间和Lebesgue空间的有界性,这些算子包括了Littlewood-Paley算子、Marcinkiewicz算子和Bochner-Riesz算子。
3.
It is proved that the commutator about the Bochner-Riesz operator and the commutator about(C-Z) kernel are bounded from H~(α,p)_(q,)(ω_1;ω_2) to ~(α,p,∞)_q(ω_1;ω_2) when α=n(1-1/q),where ω_1,ω_2 are Muckernhoupt s A_1 weights.
证明了Bochner-Riesz算子和CZ算子的交换子当α=n(1-1/q)时从空间H。
4) Riesz-spectral operator
Riesz-谱算子
5) Riesz theorem
Riesz表示定理
1.
Let (E,S,Ω,f)be a random inner product space, the scharwz inequality, Riesz theorem, right angles theorem and some other results in (E,S,Ω,f) are proved.
设(E,S,Ω,f)是随机内积空间,证明了Scharwz不等式、Riesz表示定理及勾股定理等若干结论。
6) operator representation
算子表示
1.
Related proofs are given to show that the operator representation is more intuitional and compact than the conventional one.
首先引入三个基本算子:移位算子、恒等算子和向前差分算子,然后将Bernstein-Bezier形式的Bezier曲线表示为更为简洁和直观的算子表示形式,并进一步讨论算子表示下Bezier曲线的各种性质,给出相关证明过程。
2.
This paper gives the operator representation of rational Bézier curves′ derivatives,and the operator representation of the necessary and sufficient conditions of G1 and G2 continuous connexion between two adjacent random degree rational Bézier curves according to G1 and G2 continuous conditions.
文章给出了有理Bézier曲线各阶导矢的算子表示,并根据G1和G2连续条件,给出了两条邻接任意次有理Bézier曲线间G1和G2连续拼接充要条件的算子表示。
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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