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arXiv 1003.4092math.FAmath.CA
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关于Gauss测度的非切极大函数和锥平方函数

Non-tangential maximal functions and conical square functions with respect to the Gaussian measure

Jan Maas, Jan van Neerven, Pierre Portal

摘要:

我们研究,在$L^{1}(\R^n;γ)$相对于高斯措施,非正切极大函数和锥形平方函数与Ornstein-Uhlenbeck运营商通过开发一套技术,使我们能够在一定程度上,以弥补非加倍字符的高斯措施。主要结果是锥方函数可以由非切极大函数控制在$L^1$ -范数下。一路上,我们证明了后者的孔径结果的变化。这补充了最近的结果高斯Hardy空间由于Mauceri和Meda。

英文摘要:

We study, in $L^{1}(\R^n;γ)$ with respect to the gaussian measure, non-tangential maximal functions and conical square functions associated with the Ornstein-Uhlenbeck operator by developing a set of techniques which allow us, to some extent, to compensate for the non-doubling character of the gaussian measure. The main result asserts that conical square functions can be controlled in $L^1$-norm by non-tangential maximal functions. Along the way we prove a change of aperture result for the latter. This complements recent results on gaussian Hardy spaces due to Mauceri and Meda.

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