The matrix-weighted dyadic convex body maximal operator is not bounded

The matrix-weighted dyadic convex body maximal operator is not bounded
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矩阵加权二进凸体极大算子无界

DOI:
10.1016/j.aim.2022.108711
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发表时间:
2022
影响因子:
1.7
通讯作者:
Treil, S.
Treil, S.
中科院分区:
数学1区
文献类型:
--
作者:
Nazarov, F.;Petermichl, S.;Škreb, K.A.;Treil, S.

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凸体极大算子是Hardy-Littlewood极大算子的自然推广。在本文中,我们考虑它在矩阵权值存在下的二进形式。令我们惊讶的是,这个算子是无界的。这与Doob在这种情况下的不平等形成了鲜明的对比。首先,我们证明了具有矩阵权值的凸体Carleson嵌入定理失效。然后推导出矩阵加权凸体极大算子的无界性。
The convex body maximal operator is a natural generalization of the Hardy–Littlewood maximal operator. In this paper we are considering its dyadic version in the presence of a matrix weight. To our surprise it turns out that this operator is not bounded. This is in a sharp contrast to a Doob's inequality in this context. At first, we show that the convex body Carleson Embedding Theorem with matrix weight fails. We then deduce the unboundedness of the matrix-weighted convex body maximal operator.
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DOI: --
发表时间: 2001
期刊:
影响因子: --
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带有矩阵权重的卡尔森嵌入定理
DOI: 10.1093/imrn/rnx222
发表时间: 2015
期刊: arXiv: Classical Analysis and ODEs
影响因子: --
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