English

Pointwise Weyl Laws for Schr\"odinger operators with singular potentials

Analysis of PDEs 2023-02-14 v2 Mathematical Physics Classical Analysis and ODEs Functional Analysis math.MP Spectral Theory

Abstract

We consider the Schr\"odinger operators HV=Δg+VH_V=-\Delta_g+V with singular potentials VV on general nn-dimensional Riemannian manifolds and study whether various forms of pointwise Weyl law remain valid under this pertubation. We prove that the pointwise Weyl law holds for potentials in the Kato class, which is the minimal assumption to ensure that HVH_V is essentially self-adjoint and bounded from below or has favorable heat kernel bounds. Moreover, we show that the pointwise Weyl law with the standard sharp error term O(λn1)O(\lambda^{n-1}) holds for potentials in Ln(M)L^n(M).

Keywords

Cite

@article{arxiv.2103.05531,
  title  = {Pointwise Weyl Laws for Schr\"odinger operators with singular potentials},
  author = {Xiaoqi Huang and Cheng Zhang},
  journal= {arXiv preprint arXiv:2103.05531},
  year   = {2023}
}

Comments

28 pages. To appear in Advances in Mathematics

R2 v1 2026-06-23T23:55:32.377Z