

FOLLOWUS
Department of Mathematics, Hangzhou Dianzi University, Hangzhou 310016, China
[ "Chun-jie ZHANG, E-mail: purezhang@hdu.edu.cn" ]
Gui-lian GAO, E-mail: gaoguilian305@163.com
Received:18 March 2015,
Revised:2015-07-08,
Published:2015-08
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ZHANG Chun-jie, REN Fang-fang, ZHANG Yu-huai, et al. Boundedness of Marcinkiewicz integral with rough kernel on Triebel-Lizorkin spaces[J]. Frontiers of Information Technology & Electronic Engineering, 2015, 16(8): 654-657.
ZHANG Chun-jie, REN Fang-fang, ZHANG Yu-huai, et al. Boundedness of Marcinkiewicz integral with rough kernel on Triebel-Lizorkin spaces[J]. Frontiers of Information Technology & Electronic Engineering, 2015, 16(8): 654-657. DOI: 10.1631/FITEE.1500082.
目的
2
研究带有径向粗糙项的Marcinkiewicz积分,证明这类积分算子也有Triebel-Lizorkin有界性。
创新点
2
沿用向量值奇异积分将粗糙核算子光滑化的思路,证明转后的算子具有更好的光滑性条件。
方法
2
首先利用本文作者之前文章的方法,把带径向粗糙项的Marckinkiewicz积分转化成研究一些具有一定光滑性的算子(需反复利用向量值奇异积分定理)。然后,利用微分指标较低时,Triebel-Lizorkin空间的一个等刻画,把Triebel-Lizorkin有界性转化成向量值的Lebesgue空间有界性。于是我们只需要研究这些有光滑性算子的向量值Lebesgue空间有界性,这整套方法是作者之前系列文章的一个整体思路。本文也利用这套思路,在该框架下,研究转化后算子的核,得到关于这个核的更精细估计,从而推广了原有结果。
结论
2
对于带有径向粗糙项的算子,同样可以得到一般的Marcinkiewicz积分在Triebel-Lizorkin空间的有界性。
This paper is a continuation of our previous work (
Zhang and Chen
2010b
Zhang and Chen
2010b
). Following the same general steps of the proof there
we make essential improvement on our previous theorem by recalculating a key inequality. Our result shows that the Marcinkiewicz integral
with a bounded radial function in its kernel
is still bounded on the Triebel-Lizorkin space.
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