Poincare disc model
= Poincare disc model
{c}
{wiki=Poincaré_disk_model}
The Poincare disc carries the metric $4|dz|^2/(1-|z|^2)^2$ on $|z|<1$.
= Poincare disc model
{c}
{wiki=Poincaré_disk_model}
The Poincare disc carries the metric $4|dz|^2/(1-|z|^2)^2$ on $|z|<1$.