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math.GR2012
A Note on Invariantly Finitely -Presented Groups
René Hartung
In the first part of this note, we introduce Tietze transformations for -presentations. These transformations enable us to generalize Tietze's theorem for finitely presented gro…
math.GR2012
Investigating self-similar groups using their finite -presentation
René Hartung
Self-similar groups provide a rich source of groups with interesting properties; e.g., infinite torsion groups (Burnside groups) and groups with an intermediate word growth. Variou…