Year: 2004
Type: preprint
Abstract: We extend Forester's rigidity theorem so as to give a complete characterization of rigid group actions on trees (an action is rigid if it is the only reduced action in its deformation space, in particular it is invariant under automorphisms preserving the set of elliptic subgroups).
Source: arXiv (Cornell University)
Author: Levitt, Gilbert
Institution: Laboratoire de Mathématiques Nicolas Oresme
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W4394671023