Sharp $\ell^q(L^p)$ decoupling for paraboloids

Fuente: arXiv
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1. Verfasser: Yang, Tongou
Format: Preprint
Veröffentlicht: 2024
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_version_ 1866909188988338176
author Yang, Tongou
author_facet Yang, Tongou
contents In this short expository note, we prove the following result, which is a special case of the main theorem in arXiv:2011.09451. For each $n \ge 2$ and $p, q \in [2, \infty]$, we prove upper bounds of $\ell^q(L^p)$ decoupling constants for paraboloids in $\mathbb R^n$, as well as presenting extremisers for each case. Both are sharp up to $\varepsilon$-losses.
format Preprint
id arxiv_https___arxiv_org_abs_2404_17748
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Sharp $\ell^q(L^p)$ decoupling for paraboloids
Yang, Tongou
Classical Analysis and ODEs
42B15, 42B20
In this short expository note, we prove the following result, which is a special case of the main theorem in arXiv:2011.09451. For each $n \ge 2$ and $p, q \in [2, \infty]$, we prove upper bounds of $\ell^q(L^p)$ decoupling constants for paraboloids in $\mathbb R^n$, as well as presenting extremisers for each case. Both are sharp up to $\varepsilon$-losses.
title Sharp $\ell^q(L^p)$ decoupling for paraboloids
topic Classical Analysis and ODEs
42B15, 42B20
url https://arxiv.org/abs/2404.17748