English

Spectral gap and definability

Logic 2018-05-09 v1 Operator Algebras

Abstract

We relate the notions of spectral gap for unitary representations and subfactors with definability of certain important sets in the corresponding structures. We give several applications of this relationship.

Keywords

Cite

@article{arxiv.1805.02752,
  title  = {Spectral gap and definability},
  author = {Isaac Goldbring},
  journal= {arXiv preprint arXiv:1805.02752},
  year   = {2018}
}

Comments

30 pages

R2 v1 2026-06-23T01:47:47.139Z