English

On operator norms for hyperbolic groups

Group Theory 2023-11-17 v1

Abstract

We estimate the operator norm of radial non-negative functions on hyperbolic groups. As a consequence, we show that several forms of Haagerup's inequality are optimal.

Cite

@article{arxiv.1509.08317,
  title  = {On operator norms for hyperbolic groups},
  author = {Bogdan Nica},
  journal= {arXiv preprint arXiv:1509.08317},
  year   = {2023}
}

Comments

4 pages

R2 v1 2026-06-22T11:07:02.469Z