Matches in DBpedia 2016-04 for { ?s ?p "In geometry, the Beltrami–Klein model, also called the projective model, Klein disk model, and the Cayley–Klein model, is a model of hyperbolic geometry in which points are represented by the points in the interior of the unit disk (or n-dimensional unit ball) and lines are represented by the chords, straight line segments with ideal endpoints on the boundary sphere.The Beltrami–Klein model is named after the Italian geometer Eugenio Beltrami and the German Felix Klein while \"Cayley\" in Cayley–Klein model refers to the English geometer Arthur Cayley.The Beltrami–Klein model is analogous to the gnomonic projection of spherical geometry, in that geodesics (great circles in spherical geometry) are mapped to straight lines.This model is not conformal, meaning that angles and circles are distorted, whereas the Poincaré disk model preserves these.In this model, lines and segments are straight Euclidean segments, whereas in the Poincaré disk model, lines are arcs that meet the boundary orthogonally."@en }
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- Beltrami–Klein_model abstract "In geometry, the Beltrami–Klein model, also called the projective model, Klein disk model, and the Cayley–Klein model, is a model of hyperbolic geometry in which points are represented by the points in the interior of the unit disk (or n-dimensional unit ball) and lines are represented by the chords, straight line segments with ideal endpoints on the boundary sphere.The Beltrami–Klein model is named after the Italian geometer Eugenio Beltrami and the German Felix Klein while \"Cayley\" in Cayley–Klein model refers to the English geometer Arthur Cayley.The Beltrami–Klein model is analogous to the gnomonic projection of spherical geometry, in that geodesics (great circles in spherical geometry) are mapped to straight lines.This model is not conformal, meaning that angles and circles are distorted, whereas the Poincaré disk model preserves these.In this model, lines and segments are straight Euclidean segments, whereas in the Poincaré disk model, lines are arcs that meet the boundary orthogonally.".
- Beltrami–Klein_model comment "In geometry, the Beltrami–Klein model, also called the projective model, Klein disk model, and the Cayley–Klein model, is a model of hyperbolic geometry in which points are represented by the points in the interior of the unit disk (or n-dimensional unit ball) and lines are represented by the chords, straight line segments with ideal endpoints on the boundary sphere.The Beltrami–Klein model is named after the Italian geometer Eugenio Beltrami and the German Felix Klein while \"Cayley\" in Cayley–Klein model refers to the English geometer Arthur Cayley.The Beltrami–Klein model is analogous to the gnomonic projection of spherical geometry, in that geodesics (great circles in spherical geometry) are mapped to straight lines.This model is not conformal, meaning that angles and circles are distorted, whereas the Poincaré disk model preserves these.In this model, lines and segments are straight Euclidean segments, whereas in the Poincaré disk model, lines are arcs that meet the boundary orthogonally.".