Source: wikibot/schottky-group

= Schottky group
{wiki=Schottky_group}

A Schottky group is a specific type of group of isometries of hyperbolic space, particularly in the context of hyperbolic geometry. More formally, it can be defined as a free group of isometries of hyperbolic space, which acts on the hyperbolic plane or hyperbolic 3-space.