Line at infinity

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11	PDF Document Add to Reading List Source URL: www.ams.org Language: English - Date: 2008-10-31 09:55:42 Hyperbolic geometry Teichmüller space Projective line Line Hyperplane at infinity Projective harmonic conjugate Beltrami–Klein model Geometry Projective geometry Cross-ratio
12	PDF Document Add to Reading List Source URL: www.ams.org Language: English - Date: 2010-01-14 13:14:24 Projective Space Non-Euclidean geometry Point at infinity Duality Line Affine geometry Erlangen program Geometry Projective geometry Projective space