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arXiv 2003.02903math.AP
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拟齐次Fourier Lebesgue空间中非线性PDE的微局部正则性

Microlocal regularity of nonlinear PDE in quasi-homogeneous Fourier Lebesgue spaces

G. Garello, A. Morando

摘要:

研究了一类伪微分算子在加权Fourier Lebesgue空间中的连续性,该算子的符号关于$x$具有有限Fourier Lebesgue正则性,并且满足导数关于$ξ$变量的拟齐次衰减.给出了线性和非线性偏微分方程的Fourier Lebesgue微局部正则性的应用。

英文摘要:

We study the continuity in weighted Fourier Lebesgue spaces for a class of pseudodifferential operators, whose symbol has finite Fourier Lebesgue regularity with respect to $x$ and satisfies a quasi-homogeneous decay of derivatives with respect to the $ξ$ variable. Applications to Fourier Lebesgue microlocal regularity of linear and nonlinear partial differential equations are given.

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