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arxiv: 1112.5177 · v1 · pith:IWY53N5Znew · submitted 2011-12-21 · 🧮 math.AP

A-priori bounds for KdV equation below H^(-3/4)

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keywords a-prioriequationbelowboundboundsconsiderdatainitial
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We consider the Korteweg-de Vries Equation (KdV) on the real line, and prove that the smooth solutions satisfy a-priori local in time $H^s$ bound in terms of the $H^s$ size of the initial data for $s\geq -4/5$.

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