English

Higher rank lamplighter groups are graph automatic

Group Theory 2017-06-09 v1

Abstract

We show that the higher rank lamplighter groups, or Diestel-Leader groups Γd(q)\Gamma_d(q) for d3d \geq 3, are graph automatic. This introduces a new family of graph automatic groups which are not automatic.

Cite

@article{arxiv.1706.02635,
  title  = {Higher rank lamplighter groups are graph automatic},
  author = {Sophie Bérubé and Tara Palnitkar and Jennifer Taback},
  journal= {arXiv preprint arXiv:1706.02635},
  year   = {2017}
}
R2 v1 2026-06-22T20:13:06.125Z