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Finite-Time Singularity Formation for $C^{1,\alpha}$ Solutions to the Incompressible Euler Equations on $\mathbb{R}^3$

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arxiv 1904.04795 v2 pith:2F3JB3E3 submitted 2019-04-09 math.AP physics.flu-dyn

classification math.APphysics.flu-dyn
keywords eulerincompressiblesolutionsalphabeenclasscontinuousdecay
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abstract

It has been known since work of Lichtenstein [42] and Gunther [29] in the 1920's that the $3D$ incompressible Euler equation is locally well-posed in the class of velocity fields with H\"older continuous gradient and suitable decay at infinity. It is shown here that these local solutions can develop singularities in finite time, even for some of the simplest three-dimensional flows.

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