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arXiv 0906.3642math.APmath.CA
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关于Hermite-薛定谔方程解的边界收敛性

On the boundary convergence of solutions to the Hermite-Schrödinger equation

Peter Sjögren, J. L. Torrea

摘要:

在半空间$\mathbb{R}^d \times \mathbb{R}_+$中,我们考虑Hermite-薛定谔方程$i\partial u/\partial t = - Δu + |x|^2 u$,在$\mathbb{R}^d$上具有给定的边值.我们证明了一个公式,连接这个问题的解决方案的经典薛定谔方程。证明了Hermite-薛定谔方程的混合模估计可以由经典情形下的混合模估计直接得到。在一维空间中,利用这一联系,我们得到了在边界处的点态收敛结果。

英文摘要:

In the half-space $\mathbb{R}^d \times \mathbb{R}_+$, we consider the Hermite-Schrödinger equation $i\partial u/\partial t = - Δu + |x|^2 u$, with given boundary values on $\mathbb{R}^d$. We prove a formula that links the solution of this problem to that of the classical Schrödinger equation. It shows that mixed norm estimates for the Hermite-Schrödinger equation can be obtained immediately from those known in the classical case. In one space dimension, we deduce sharp pointwise convergence results at the boundary, by means of this link.

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