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arXiv 1002.1267math.APmath-phmath.MP
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立方NLS的立环爆破解

Standing Ring Blowup Solutions for Cubic NLS

Ian Zwiers

摘要:

证明了三维聚焦立方非线性薛定谔方程在环上L^2集中、环外H^1范数有界以及整体H^1范数以对数-对数速率增长的意义下存在解在圆上爆破.类似的行为发生在任何更高的维度。也就是说,存在这样的数据,对于这些数据,立方NLS的相应演化在一组余维2上爆炸。为了简化说明,证明是在三维,与注释,以表明在更高的维度的适应。

英文摘要:

We prove there exist solutions to the focusing cubic nonlinear Schrödinger equation in three dimensions that blowup on a circle, in the sense of L^2 concentration on a ring, bounded H^1 norm outside any surrounding toroid, and growth of the global H^1 norm with the log-log rate. Analogous behaviour occurs in any higher dimension. That is, there exists data for which the corresponding evolution by cubic NLS explodes on a set of co-dimension two. To simplify the exposition, the proof is presented in dimension three, with remarks to indicate the adaptations in higher dimension.

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