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Null Structure in a System of Quadratic Derivative Nonlinear Schrodinger Equations

机译:二次微分非线性薛定inger方程组的零结构

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摘要

We consider the initial value problem for a three-component system of quadratic derivative nonlinear Schrodinger equations in two space dimensions with the masses satisfying the resonance relation. We present a structural condition on the nonlinearity under which small data global existence holds. It is also shown that the solution is asymptotically free. Our proof is based on the commuting vector field method combined with smoothing effects.
机译:我们考虑质量满足共振关系的二维空间三阶二次非线性非线性薛定inger方程的三元系统的初值问题。我们提出了一个非线性的结构条件,在该条件下,小数据全局存在。还表明该解决方案是渐近自由的。我们的证明是基于通勤矢量场方法并结合了平滑效果。

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