Fourier restriction above rectangles
Fourier restriction above rectangles
复制标题
矩形上方的傅里叶限制
DOI:
10.1007/s00208-021-02202-w
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发表时间:
2021
影响因子:
1.4
通讯作者:
Stovall, Betsy
中科院分区:
文献类型:
--
作者:
Schwend, Jeremy;Stovall, Betsy
In this article, we study the problem of obtaining Lebesgue space inequalities for the Fourier restriction operator associated to rectangular pieces of the paraboloid and perturbations thereof. We state a conjecture for the dependence of the operator norms in these inequalities on the sidelengths of the rectangles, prove that this conjecture follows from (a slight reformulation of the) restriction conjecture for elliptic hypersurfaces, and prove that, if valid, the conjecture is essentially sharp. Such questions arise naturally in the study of restriction inequalities for degenerate hypersurfaces; we demonstrate this connection by using our positive results to prove new restriction inequalities for a class of hypersurfaces having some additive structure.
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