A Note on Invariantly Finitely $L$-Presented Groups
René Hartung
Abstract:In the first part of this note, we introduce Tietze transformations for Lpresentations. These transformations enable us to generalize Tietze's theorem for finitely presented groups to invariantly finitely L-presented groups. Moreover, they allow us to prove that 'being invariantly finitely L-presented' is an abstract property of a group which does not depend on the generating set.In the second part of this note, we consider finitely generated normal subgroups of finitely presented groups. Benli proved that a f… Show more
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