Axis of a tree isometry
= Axis of a tree isometry
{title2=$A_g$}
{wiki=Bass–Serre_theory}
The axis of a hyperbolic tree isometry $g$ is its unique invariant line. The isometry acts on this line by translation through its translation length.
= Axis of a tree isometry
{title2=$A_g$}
{wiki=Bass–Serre_theory}
The axis of a hyperbolic tree isometry $g$ is its unique invariant line. The isometry acts on this line by translation through its translation length.