English

Stability and instability of lattices in semisimple groups

Group Theory 2023-08-31 v2

Abstract

Using cohomological methods, we show that lattices in semisimple groups are typically stable with respect to the Frobenius norm but not with respect to the operator norm.

Keywords

Cite

@article{arxiv.2303.08943,
  title  = {Stability and instability of lattices in semisimple groups},
  author = {Uri Bader and Alexander Lubotzky and Roman Sauer and Shmuel Weinberger},
  journal= {arXiv preprint arXiv:2303.08943},
  year   = {2023}
}

Comments

incorporated remarks and corrections of the reviewers