Poincaré disk
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Droites_disquePoincare.svg/220px-Droites_disquePoincare.svg.png)
Alternative forms
[edit]Etymology
[edit]After Henri Poincaré. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
Noun
[edit]Poincaré disk (plural Poincaré disks)
- The hyperbolic plane, viewed as a disk so that Euclidean circles and lines Euclidean-perpendicular to the disk's surface are hyperbolic lines.
Translations
[edit]hyperbolic plane
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Further reading
[edit]Poincaré disk on Wikipedia.Wikipedia