Boundedness of Parametrized Littlewood-Paley Operators with Nondoubling Measures

Boundedness of Parametrized Littlewood-Paley Operators with Nondoubling Measures
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具有非加倍测度的参数化Littlewood-Paley算子的有界性

DOI:
10.1155/2008/141379
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发表时间:
2008-07
影响因子:
1.6
通讯作者:
Meng, Yan
Meng, Yan
中科院分区:
数学3区
文献类型:
--
作者:
Lin, Haibo;Meng, Yan

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设一个非负Radon测度,它只满足以下增长条件,即存在一个正常数,使得对所有和某些固定。本文证明了对于合适的指标和,在算子核满足某种Hörmander-type条件的前提下,参数化函数从有界到有界,在核满足某种稍强的Hörmander-type条件的前提下,参数化函数从有界到弱。作为推论,当核满足上述更强的Hörmander-type条件时,对有界。并且证明了对于合适的指标,如果核满足Hörmander-type条件,则核从有界入(正则有界下振荡函数空间),如果核满足上述更强的Hörmander-type条件,则核从Hardy空间入。本文还建立了参数化面积积分的相应性质。
Let be a nonnegative Radon measure on which only satisfies the following growth condition that there exists a positive constant such that for all and some fixed . In this paper, the authors prove that for suitable indexes and , the parametrized function is bounded on for with the assumption that the kernel of the operator satisfies some Hörmander-type condition, and is bounded from into weak with the assumption that the kernel satisfies certain slightly stronger Hörmander-type condition. As a corollary, with the kernel satisfying the above stronger Hörmander-type condition is bounded on for . Moreover, the authors prove that for suitable indexes and is bounded from into (the space of regular bounded lower oscillation functions) if the kernel satisfies the Hörmander-type condition, and from the Hardy space into if the kernel satisfies the above stronger Hörmander-type condition. The corresponding properties for the parametrized area integral are also established in this paper.
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