English

Optimal Hardy Inequality for Fractional Laplacians on the Integers

Analysis of PDEs 2023-07-19 v1 Mathematical Physics math.MP Spectral Theory

Abstract

We study the fractional Hardy inequality on the integers. We prove the optimality of the Hardy weight and hence affirmatively answer the question of sharpness of the constant.

Keywords

Cite

@article{arxiv.2207.12097,
  title  = {Optimal Hardy Inequality for Fractional Laplacians on the Integers},
  author = {Matthias Keller and Marius Nietschmann},
  journal= {arXiv preprint arXiv:2207.12097},
  year   = {2023}
}