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arXiv 1004.3976math.AP
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带边界流形上的非线性薛定谔方程和Schehartz估计

Strichartz estimates and the nonlinear Schrödinger equation on manifolds with boundary

Matthew D. Blair, Hart F. Smith, Christopher D. Sogge

摘要:

我们建立了具有边界的黎曼流形$(Ω,\g)$上的薛定谔方程在紧致情形和$Ω$是欧几里得空间中光滑的非捕获障碍物的外部的情形下的薛定谔估计.外部域的估计是尺度不变的范围勒贝格指数$(p,q)$,我们获得这些估计是小于范围内已知的欧几里得空间,但包括关键$L^4_tL^\infty_x$估计,我们用它来给一个简单的证明适定性结果的能量临界薛定谔方程在3维。我们的估计紧流形涉及损失的衍生物的规模不变指标。我们利用这些结果建立了一般紧致流形上某些半线性薛定谔方程的有限能量数据的适定性。

英文摘要:

We establish Strichartz estimates for the Schrödinger equation on Riemannian manifolds $(Ω,\g)$ with boundary, for both the compact case and the case that $Ω$ is the exterior of a smooth, non-trapping obstacle in Euclidean space. The estimates for exterior domains are scale invariant; the range of Lebesgue exponents $(p,q)$ for which we obtain these estimates is smaller than the range known for Euclidean space, but includes the key $L^4_tL^\infty_x$ estimate, which we use to give a simple proof of well-posedness results for the energy critical Schrödinger equation in 3 dimensions. Our estimates on compact manifolds involve a loss of derivatives with respect to the scale invariant index. We use these to establish well-posedness for finite energy data of certain semilinear Schrödinger equations on general compact manifolds with boundary.

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