2 papers
math.GR2024
Free submonoids of hyperbolic monoids
Matthias Hamann
In this paper, we prove that infinite cancellative finitely generated hyperbolic monoids never contain as a submonoid but that they contain an element of…
math.MG2024
A boundary for hyperbolic digraphs and semigroups
Matthias Hamann
Based on a notion by Gray and Kambites of hyperbolicity in the setting of semimetric spaces like digraphs or semigroups, we will construct (under a small additional geometric assum…