Poincaré disk

English

The Poincaré disk, with three lines drawn

Alternative forms

• Poincaré disc

Etymology

After Henri Poincaré. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Noun

Poincaré disk (plural Poincaré disks)

1. The hyperbolic plane, viewed as a disk so that Euclidean circles and lines Euclidean-perpendicular to the disk's surface are hyperbolic lines.

Translations

hyperbolic plane

• Finnish: Poincarén kiekko
• Spanish: disco de Poincaré m

Further reading

• Poincaré disk on Wikipedia.Wikipedia