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Low regularity local well-posedness for the (N+1)-dimensional Maxwell-Klein-Gordon equations in Lorenz gauge

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arxiv 1705.00599 v2 pith:7YJIMJMQ submitted 2017-05-01 math.AP

classification math.AP
keywords gaugedatadimensionslorenzspaceenergyequationsfinite
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abstract

The Cauchy problem for the Maxwell-Klein-Gordon equations in Lorenz gauge in $n$ space dimensions ($n \ge 2$) is locally well-posed for low regularity data, in two and three space dimensions even for data without finite energy. The result relies on the null structure for the main bilinear terms which was shown to be not only present in Coulomb gauge but also in Lorenz gauge by Selberg and Tesfahun, who proved global well-posedness for finite energy data in three space dimensions. This null structure is combined with product estimates for wave-Sobolev spaces given systematically by d'Ancona, Foschi and Selberg.

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  1. Almost optimal local well-posedness for the Maxwell-Klein-Gordon system with data in Fourier-Lebesgue spaces

    math.AP 2019-08 conditional novelty 6.0 of 10

    Local well-posedness for the 3D Maxwell-Klein-Gordon system in Lorenz gauge is established in Fourier-Lebesgue spaces with regularity s=5/(2r)-1/2+δ, which is almost optimal under scaling as r→1.

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