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math.GR2025
Homological torsion growth in non-normal chains of graphs of free groups
Dario Ascari, Jonathan Fruchter
Let be a hyperbolic group that splits as a graph of free groups with cyclic edge groups, and which is not isomorphic to a free product of free and surface groups. We show that…
math.GR2025
Virtual homological torsion in graphs of free groups with cyclic edge groups
Dario Ascari, Jonathan Fruchter
Let be a hyperbolic group that splits as a graph of free groups with cyclic edge groups. We prove that, unless is isomorphic to a free product of free and surface groups, e…