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arXiv 2007.13908math.FA
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乘积基上的几何极大算子与BMO

Geometric maximal operators and BMO on product bases

Galia Dafni, Ryan Gibara, Hong Yue

摘要:

考虑了BMO上极大算子在$\mathbb{R}^n$中的形状上的有界性问题.我们证明,为基地的形状与吞没财产,相应的极大函数是有界的BMO BLO,推广了一个已知的结果贝内特的基础上的立方体。当基础的形状不具有吞没属性,但表现出产品结构相对于低维形状来自基地,具有吞没属性,我们表明,相应的极大函数是有界的BMO到一个空间,我们定义和调用矩形BLO。

英文摘要:

We consider the problem of the boundedness of maximal operators on BMO on shapes in $\mathbb{R}^n$. We prove that for bases of shapes with an engulfing property, the corresponding maximal function is bounded from BMO to BLO, generalising a known result of Bennett for the basis of cubes. When the basis of shapes does not possess an engulfing property but exhibits a product structure with respect to lower-dimensional shapes coming from bases that do possess an engulfing property, we show that the corresponding maximal function is bounded from BMO to a space we define and call rectangular BLO.

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