Singularity Formation in a Surface Wave Model

Details Singularity Formation in a Surface Wave Model Singularity Formation in a Surface Wave Model

2010-04-22

arxiv.org/abs/1004.3975v1

Mathematics

Analysis of PDEs

14 pages

Scientific paper

In this paper we study the Burgers equation with a nonlocal term of the form $Hu$ where $H$ is the Hilbert transform. This system has been considered as a quadratic approximation for the dynamics of a free boundary of a vortex patch. We prove blow up in finite time for a large class of initial data with finite energy. Considering a more general nonlocal term, of the form $\Lambda^\alpha Hu$ for $0<\alpha< 1$, finite time singularity formation is also shown.

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