English

The Poincaré disk, with three lines drawn

Alternative forms

• Poincaré disc

Noun

the 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

External links

• Poincaré disk on Wikipedia.Wikipedia