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arxiv: 0908.0344 · v2 · pith:2KVQ6GTEnew · submitted 2009-08-03 · 🧮 math.AP

Global rough solutions to the critical generalized KdV equation

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keywords criticalequationgeneralizedglobalgloballyinitiallineproblem
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We prove that the initial value problem (IVP) for the critical generalized KdV equation $u_{t}+u_{xxx}+(u^5)_{x}=0$ on the real line is globally well-posed in $H^{s}(\R)$ provided $s>3/5$.

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