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Zero Surface Tension Limit of the Free-Boundary Problem in Incompressible Magnetohydrodynamics

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arxiv 2109.05400 v4 pith:QC34BMSG submitted 2021-09-12 math.AP

classification math.AP
keywords free-boundaryincompressiblesurfacetensionequationsidealpreviousworks
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We show that the solution of the free-boundary incompressible ideal magnetohydrodynamic (MHD) equations with surface tension converges to that of the free-boundary incompressible ideal MHD equations without surface tension given the Rayleigh-Taylor sign condition holds true initially. This result is a continuation of the authors' previous works [17,32,16]. Our proof is based on the combination of the techniques developed in our previous works [17,32,16], Alinhac good unknowns, and a crucial anti-symmetric structure on the boundary.

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