Hyperbolic isometry of a tree
= Hyperbolic isometry of a tree
{wiki=Bass–Serre_theory}
A hyperbolic tree isometry has positive translation length and preserves a unique bi-infinite geodesic.
= Hyperbolic isometry of a tree
{wiki=Bass–Serre_theory}
A hyperbolic tree isometry has positive translation length and preserves a unique bi-infinite geodesic.