The story
First studied by Henri Poincaré (1882), who was motivated by the work of Lazarus Fuchs (1880) and therefore named them after him.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any discrete group of isometries of the hyperbolic plane. Full definition →
First studied by Henri Poincaré (1882), who was motivated by the work of Lazarus Fuchs (1880) and therefore named them after him.
Etymology from Wiktionary, CC BY-SA 4.0.