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arXiv 1802.10464math.AP
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非线性薛定谔方程、分部微分和调制空间

Nonlinear Schrödinger equation, differentiation by parts and modulation spaces

Leonid Chaichenets, Dirk Hundertmark, Peer Kunstmann, Nikolaos Pattakos

摘要:

在调制空间$M_{p,q}^{s}(\mathbb R)$中证明了三次非线性薛定谔方程广义Cauchy问题弱解的存在性,其中$1\leq q\leq2$,$2\leq p<\frac{10q'}{q'+6}$和$s\geq0$ .此外,无论是$1\leq q\leq\frac32, s\geq0$和$2\leq p\leq 3$或$\frac32<q\leq\frac{18}{11}, s>\frac23-\frac1{q}$和$2\leq p\leq 3$或$\frac{18}{11}<q\leq2, s>\frac23-\frac1{q}$和$2\leq p<\frac{10q'}{q'+6}$,我们证明了柯西问题是无条件适定的$M_{p,q}^{s}(\mathbb R).$这改善了\cite{NP},其中的情况下$p=2$被认为是和部分技术的区别被引入到一个问题与连续傅立叶变量。这里使用了相同的技术,但$p\neq2$需要更精确的估计。

英文摘要:

We show the existence of weak solutions in the extended sense of the Cauchy problem for the cubic nonlinear Schrödinger equation in the modulation space $M_{p,q}^{s}(\mathbb R)$ where $1\leq q\leq2$, $2\leq p<\frac{10q'}{q'+6}$ and $s\geq0$. Moreover, for either $1\leq q\leq\frac32, s\geq0$ and $2\leq p\leq 3$ or $\frac32<q\leq\frac{18}{11}, s>\frac23-\frac1{q}$ and $2\leq p\leq 3$ or $\frac{18}{11}<q\leq2, s>\frac23-\frac1{q}$ and $2\leq p<\frac{10q'}{q'+6}$ we show that the Cauchy problem is unconditionally wellposed in $M_{p,q}^{s}(\mathbb R).$ This improves \cite{NP}, where the case $p=2$ was considered and the differentiation by parts technique was introduced to a problem with continuous Fourier variable. Here the same technique is used, but more delicate estimates are necessary for $p\neq2$.

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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