Shock Formation of the Burgers-Hilbert Equation
Shock Formation of the Burgers-Hilbert Equation
复制标题
Burgers-Hilbert 方程的激波形成
DOI:
10.1137/21m1399348
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
R. Yang
中科院分区:
文献类型:
--
作者:
R. Yang
We prove finite time blowup of the Burgers-Hilbert equation. We construct smooth initial data with finite $H^5$-norm such that the $L^\infty$-norm of the spacial derivative of the solution blows up. The blowup is an asymptotic self-similar shock at one single point with an explicitly computable blowup profile. The blowup profile is a cusp with Holder $1/3$ continuity. The blowup time and location are described in terms of explicit ODEs. Our proof uses a transformation to modulated self-similar variables, the quantitative properties of the stable self-similar solution to the inviscid Burgers equation, an $L^2$-estimate in self-similar variables, and pointwise estimates for Hilbert transform and for transport equations.
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影响因子:
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DOI:
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发表时间:
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期刊:
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