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LOW REGULARITY FOR A QUADRATIC SCHRODINGER EQUATION ON T

机译:T上的二次Schrodinger方程的低正则性

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摘要

In this paper we consider a Schrodinger equation on the circle with a quadratic nonlinearity. Thanks to an explicit computation of the first Picard iterate, we give a better description of the dynamic of the solution, whose existence was proved by C. E. Kenig, G. Ponce and L. Vega [15]. We also show that the equation is well posed in a space H(s,p)(T) which contains the Sobolev space H(s)(T) when p >= 2.
机译:在本文中,我们考虑具有二次非线性的圆上的薛定inger方程。多亏了第一个Picard迭代的显式计算,我们对解的动力学有了更好的描述,C。E. Kenig,G。Ponce和L. Vega证明了其存在[15]。我们还表明,当p> = 2时,方程很好地摆在包含Sobolev空间H(s)(T)的空间H(s,p)(T)中。

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