English

Hilbert space compression under direct limits and certain group extensions

Group Theory 2010-09-15 v2

Abstract

We find bounds on the Hilbert space compression of the limit of a directed metric system of groups. We also give estimates on the Hilbert space compression of group extensions of a group HH by a a word-hyperbolic group or a group of polynomial growth.

Keywords

Cite

@article{arxiv.1009.2014,
  title  = {Hilbert space compression under direct limits and certain group extensions},
  author = {Dennis Dreesen},
  journal= {arXiv preprint arXiv:1009.2014},
  year   = {2010}
}
R2 v1 2026-06-21T16:12:19.933Z