English

Spectral Triples for nonarchimedean local fields

Operator Algebras 2016-12-13 v1

Abstract

Using associated trees, we construct a spectral triple for the C^*-algebra of continuous functions on the ring of integers RR of a nonarchimedean local field FF of characteristic zero, and investigate its properties. Remarkably, the spectrum of the spectral triple operator is closely related to the roots of a qq-hypergeometric function. We also study a non compact version of this construction for the C^*-algebra of continuous functions on FF, vanishing at infinity.

Keywords

Cite

@article{arxiv.1612.03460,
  title  = {Spectral Triples for nonarchimedean local fields},
  author = {Slawomir Klimek and Sumedha Rathnayake and Kaoru Sakai},
  journal= {arXiv preprint arXiv:1612.03460},
  year   = {2016}
}
R2 v1 2026-06-22T17:19:53.864Z