English

Spectral cluster bounds for orthonormal functions on manifolds with nonsmooth metrics

Analysis of PDEs 2025-05-12 v1 Spectral Theory

Abstract

We establish LqL^q spectral cluster bounds for families of orthonormal functions associated to the Laplace-Beltrami operator on a compact Riemannian manifold. The metric is only assumed to be of class CsC^s, where 0s20\leq s\leq 2.

Keywords

Cite

@article{arxiv.2505.05904,
  title  = {Spectral cluster bounds for orthonormal functions on manifolds with nonsmooth metrics},
  author = {Jean-Claude Cuenin and Ngoc Nhi Nguyen and Xiaoyan Su},
  journal= {arXiv preprint arXiv:2505.05904},
  year   = {2025}
}