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An exotic group as limit of finite special linear groups

Group Theory 2017-05-30 v3 Functional Analysis

Abstract

We consider the Polish group obtained as the rank-completion of an inductive limit of finite special linear groups. This Polish group is topologically simple modulo its center, it is extremely amenable and has no non-trivial strongly continuous unitary representation on a Hilbert space.

Keywords

Cite

@article{arxiv.1603.00691,
  title  = {An exotic group as limit of finite special linear groups},
  author = {Alessandro Carderi and Andreas Thom},
  journal= {arXiv preprint arXiv:1603.00691},
  year   = {2017}
}

Comments

Final version, accepted for publication in Annales de l'Institut Fourier. Improved exposition following the remarks of the unknown referee