Variational bounds for a dyadic model of the bilinear Hilbert transform

Variational bounds for a dyadic model of the bilinear Hilbert transform
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双线性希尔伯特变换二元模型的变分界

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发表时间:
2012
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通讯作者:
E. Palsson
E. Palsson
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作者:
Yen Do;Richard Oberlin;E. Palsson

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我们证明了截断双线性Hilbert变换的Walsh模型的变分范数估计,推广了Lacey,Thiele和Demeter的相关结果。该证明使用了Walsh相平面上的分析和两个新的成分:(I)Nazarov-Oberlin-Thiele对Bourain引理的变分推广;(Ii)Lewko-Lewko的变分范数Rademacher-Menhov定理。
We prove variation-norm estimates for the Walsh model of the truncated bilinear Hilbert transform, extending related results of Lacey, Thiele, and Demeter. The proof uses analysis on the Walsh phase plane and two new ingredients: (i) a variational extension of a lemma of Bourgain by Nazarov-Oberlin-Thiele, and (ii) a variation-norm Rademacher-Menshov theorem of Lewko-Lewko.