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arXiv 2408.10028math.AP
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Schrödinger-Korteweg-de Vries系统的尖锐局部适定性

Sharp local well-posedness for the Schrödinger-Korteweg-de Vries system

Simão Correia, Felipe Linares, Jorge Drumond Silva

AI总结:

本文证明了Schrödinger-Korteweg-de Vries系统在特定初始数据下的尖锐局部存在性,并基于分部积分强解概念与频率限制估计,将全局适定性结果推广至更广的正则性范围。

摘要:

我们证明了初始数据在$H^k(\mathbb{R})\times H^s(\mathbb{R})$中的Schrödinger-Korteweg-de Vries系统的尖锐局部存在性结果。证明基于推广经典强解概念的“分部积分强解”概念及频率限制估计。此外,我们将已知全局适定性结果推广至正则性$k,s>1/2$。

英文摘要:

We prove a sharp local existence result for the Schrödinger-Korteweg-de Vries system with initial data in $H^k(\mathbb{R})\times H^s(\mathbb{R})$. The proof is based on the concept of \textit{integrated-by-parts strong solution}, which generalizes the classical notion of strong solution, and on frequency-restricted estimates. Moreover, we extend the known global well-posedness result to regularities $k,s>1/2$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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