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A Regularity Theory for Static Schr\"odinger Equations on $\mathbb{R}^d$ in Spectral Barron Spaces. (arXiv:2201.10072v1 [math.AP])
Jan. 26, 2022, 2:11 a.m. | Ziang Chen, Jianfeng Lu, Yulong Lu, Shengxuan Zhou
cs.LG updates on arXiv.org arxiv.org
Spectral Barron spaces have received considerable interest recently as it is
the natural function space for approximation theory of two-layer neural
networks with a dimension-free convergence rate. In this paper we study the
regularity of solutions to the whole-space static Schr\"odinger equation in
spectral Barron spaces. We prove that if the source of the equation lies in the
spectral Barron space $\mathcal{B}^s(\mathbb{R}^d)$ and the potential function
admitting a non-negative lower bound decomposes as a positive constant plus a
function in …
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