Extremizers for Fourier restriction on hyperboloids

Extremizers for Fourier restriction on hyperboloids
复制标题

双曲面傅立叶限制的极值化

DOI:
10.1016/j.anihpc.2018.06.001
复制
发表时间:
2017
期刊:
Annales de l'Institut Henri Poincaré C, Analyse non linéaire
影响因子:
--
通讯作者:
Mateus Sousa
Mateus Sousa
中科院分区:
--
文献类型:
--
作者:
E. Carneiro;D. O. Silva;Mateus Sousa

文献摘要

参考文献

被引文献

相似文献

本文证明了d维双曲曲面H d→Rd+1上的L 2≤L p伴随傅立叶限制不等式,若d=1,则满足6≤p<∞,若d≤2,则满足2(d+2)/d≤p≤2(d+1)/(d−1)。Quilodrán[35]最近找到了端点情形(d,p)∈{(2,4),(2,6),(3,4)}中最优常数的取值,并证明了该不等式在这些情况下不存在极值.本文回答了文[35]中提出的两个问题,即:(I)在端点(d,p)=(1,6)(剩余端点p为偶数)的情况下,我们求出了最优常数的显式值,并证明了在这种情况下不存在极值点;(Ii)证明了d∈{1,2}维的所有非端点情形的极值点的存在性。这就完成了对这个问题的低维定性描述。
Abstract The L 2→ L p adjoint Fourier restriction inequality on the d-dimensional hyperboloid H d⊂ R d+ 1 holds provided 6≤ p<∞, if d= 1, and 2 (d+ 2)/d≤ p≤ 2 (d+ 1)/(d− 1), if d≥ 2. Quilodrán [35] recently found the values of the optimal constants in the endpoint cases (d, p)∈{(2, 4),(2, 6),(3, 4)} and showed that the inequality does not have extremizers in these cases. In this paper we answer two questions posed in [35], namely:(i) we find the explicit value of the optimal constant in the endpoint case (d, p)=(1, 6)(the remaining endpoint for which p is an even integer) and show that there are no extremizers in this case; and (ii) we establish the existence of extremizers in all non-endpoint cases in dimensions d∈{1, 2}. This completes the qualitative description of this problem in low dimensions.
利用能量空间中的数据对波动方程进行精确的 Strichartz 估计
DOI: 10.4171/jems/377
发表时间: 2013
影响因子: 2.6
作者:
Bez N
通讯作者: Bez N
Strichartz 范数的热流单调性
DOI: 10.2140/apde.2009.2.147
发表时间: 2009
期刊: Analysis & PDE
影响因子: 2.2
作者:
Bennett J
通讯作者: Bennett J