Last Updated
：2025/11/24
Poincaré disk
Noun
Japanese Meaning
双曲平面をディスク状に表現したモデルであり、ディスク内のユークリッド円やディスクの境界に対して垂直なユークリッド直線が双曲幾何学における直線となる概念
（ plural ）
Quizzes for review
The hyperbolic plane, viewed as a disk so that Euclidean circles and lines Euclidean-perpendicular to the disk's surface are hyperbolic lines.
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Poincaré disk
Using the Poincaré disk, she visualized geodesics as arcs that meet the boundary at right angles.
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Using the Poincaré disk, she visualized geodesics as arcs that meet the boundary at right angles.
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