English

A Spectral Gap Theorem in $SU(d)$

Group Theory 2011-09-01 v1 Combinatorics Spectral Theory

Abstract

We establish the spectral gap property for dense subgroups of SU(d)SU(d) (d2d\geq 2), generated by finitely many elements with algebraic entries; this result was announced in [BG3]. The method of proof differs, in several crucial aspects, from that used in [BG] in the case of SU(2).

Keywords

Cite

@article{arxiv.1108.6264,
  title  = {A Spectral Gap Theorem in $SU(d)$},
  author = {Jean Bourgain and Alex Gamburd},
  journal= {arXiv preprint arXiv:1108.6264},
  year   = {2011}
}
R2 v1 2026-06-21T18:57:52.214Z