English

Exponential Riesz bases in non-Archimedean locally compact Abelian groups

Classical Analysis and ODEs 2025-05-30 v2

Abstract

This paper establishes two fundamental results on the existence of exponential Riesz basis in non-Archimedean locally compact Abelian groups: the existence of Riesz basis of exponentials for all finite unions of balls and the non-existence of such basis for some bounded sets.

Keywords

Cite

@article{arxiv.2505.21310,
  title  = {Exponential Riesz bases in non-Archimedean locally compact Abelian groups},
  author = {Aihua Fan and Shilei Fan},
  journal= {arXiv preprint arXiv:2505.21310},
  year   = {2025}
}

Comments

15 pages