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arXiv 2302.09969math.AP
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Kähler流形上的周期Schrödinger映射流

Periodic Schrödinger map flow on Kähler manifolds

Sheng Wang, Yi Zhou

AI总结:

本文通过推导新的div-curl型引理并结合能量与动量平衡律获得时空估计,证明了从圆到Kähler流形的Schrödinger映射流全局正则,从而完全解决了Wei-Yue Ding猜想。

摘要:

Wei-Yue Ding \cite{Ding 2002}在2002年北京国际数学家大会上提出了一个关于Schrödinger映射流的命题,Rodnianski-Rubinstein-Staffilani \cite{Rodnianski 2009}将其称为Wei-Yue Ding猜想。他们证明了从实直线到Kähler流形以及从圆到Riemann曲面的映射的Schrödinger映射流是全局适定的,这是该猜想的首个重大进展,通过将Schrödinger映射流转化为非线性Schrödinger型方程(组)部分解决了该猜想。在本文中,我们推导出一个新的div-curl型引理,并将其与能量和“动量”平衡律相结合,得到一些时空估计。基于此,我们证明了从圆到Kähler流形的映射的Schrödinger映射流是全局正则的。至此,Wei-Yue Ding猜想已被完全解决。

英文摘要:

Wei-Yue Ding \cite{Ding 2002} proposeed a proposition about Schrödinger map flow in 2002 International Congress of Mathematicians in Beijing, which is called Wei-Yue Ding conjecture by Rodnianski-Rubinstein-Staffilani \cite{Rodnianski 2009}. They proved \cite{Rodnianski 2009} that Schrödinger map flow for maps from the real line into Kähler manifolds and for maps from the circle into Riemann surfaces is globally well-posed which is the first significant advance in this conjecture by translating the Schrödinger map flow into nonlinear Schrödinger-type equations or (systems) and partially solved this conjecture. In this article, we will derive a new div-curl type lemma and combined it with energy and ``momentum" balance law to get some space-time estimates. Based on this, we prove the Schrödinger map flow for maps from the circle into Kähler manifolds is globally regular. So far, the Wei-Yue Ding's conjecture has been completely solved.

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