Mathematics – Analysis of PDEs
Scientific paper
2003-09-22
Mathematics
Analysis of PDEs
49 pages, no pictures, to appear, CMP. A minor problem with a Fourier angular projection causing a certain phase function to n
Scientific paper
10.1007/s00220-004-1152-1
We show that in dimensions $n \geq 6$ that one has global regularity for the Maxwell-Klein-Gordon equations in the Coulomb gauge provided that the critical Sobolev norm $\dot H^{n/2-1} \times \dot H^{n/2-2}$ of the initial data is sufficiently small. These results are analogous to those recently obtained for the high-dimensional wave map equation but unlike the wave map equation, the Coulomb gauge non-linearity cannot be iterated away directly. We shall use a different approach, proving Strichartz estimates for the covariant wave equation. This in turn will be achieved by use of Littlewood-Paley multipliers, and a global parametrix for the covariant wave equation constructed using a truncated, microlocalized Cronstrom gauge.
Rodnianski Igor
Tao Terence
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