arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2005.04936math.FAmath.APmath.DG
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光滑流形上伪微分算子的$L^p$ - $L^q$有界性及其在非线性方程中的应用

$L^p$-$L^q$ boundedness of pseudo-differential operators on smooth manifolds and its applications to nonlinear equations

Duván Cardona Sánchez, Vishvesh Kumar, Michael Ruzhansky, Niyaz Tokmagambetov

摘要:

本文研究整体伪微分算子在光滑流形上的有界性。利用整体符号的概念,我们推广了一个经典的Hörmander型条件以保证整体算子的$L^p$ - $L^q$ -有界性.首先,我们利用Hörmander-Mihlin条件研究了伪微分算子的$L^p$ -有界性.我们还证明了伪微分算子的$L^\infty$ - $BMO$估计。然后,我们集中研究了Fourier乘子和伪微分算子在$1<p \leq 2 \leq q<\infty.$上的$L^p$有界性。为了达到$L^p$有界性的目的,我们证明了光滑流形上的两个经典不等式,即Paley不等式和Hausdorff-Young-Paley不等式。最后,我们给出了我们的有界性定理在不同类型的非线性偏微分方程的适定性中的应用。

英文摘要:

In this paper we study the boundedness of global pseudo-differential operators on smooth manifolds. By using the notion of global symbol we extend a classical condition of Hörmander type to guarantee the $L^p$-$L^q$-boundedness of global operators. First we investigate $L^p$-boundedness of pseudo-differential operators in view of the Hörmander-Mihlin condition. We also prove $L^\infty$-$BMO$ estimates for pseudo-differential operators. Later, we concentrate our investigation to settle $L^p$-$L^q$ boundedness of the Fourier multipliers and pseudo-differential operators for the range $1<p \leq 2 \leq q<\infty.$ On the way to achieve our goal of $L^p$-$L^q$ boundedness we prove two classical inequalities, namely, Paley inequality and Hausdorff-Young-Paley inequality for smooth manifolds. Finally, we present the applications of our boundedness theorems to the well-posedness properties of different types of the nonlinear partial differential equations.

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