Poincaré disk

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English[edit]

The Poincaré disk, with three lines drawn

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)

  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[edit]

Further reading[edit]

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