English

Self-similar group actions on ultragraphs and associated $C^*$-algebras

Operator Algebras 2025-05-20 v1

Abstract

As a generalization of the Exel-Pardo's notion of self-similar graph, we introduce self-similar group actions on ultragraphs and their CC^*-algebras. We then approach to the CC^*-algebras by inverse semigroup and tight groupoid models.

Keywords

Cite

@article{arxiv.2505.11949,
  title  = {Self-similar group actions on ultragraphs and associated $C^*$-algebras},
  author = {Hossein Larki and Najmeh Rajabzadeh-Hasiri},
  journal= {arXiv preprint arXiv:2505.11949},
  year   = {2025}
}

Comments

29 pages