On smoothing properties and Tao's gauge transform of the Benjamin-Ono equation on the torus

Autor: Gérard, Patrick, Kappeler, Thomas, Topalov, Peter
Rok vydání: 2021
Předmět:
Druh dokumentu: Working Paper
Popis: We prove smoothing properties of the solutions of the Benjamin-Ono equation in the Sobolev space $H^{s}(\mathbb{T},\mathbb{R})$ for any $s\ge 0$. To this end we show that Tao's gauge transform is a high frequency approximation of the nonlinear Fourier transform $\Phi$ for the Benjamin-Ono equation, constructed in our previous work. The results of this paper are manifestations of the quasi-linear character of the Benjamin-Ono equation.
Databáze: arXiv