Wiktionary - Recent changes [en]: horosphere

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horosphere Aug 3rd 2011, 02:28 Anagrams: oops ← Older revision Revision as of 02:28, 3 August 2011 (3 intermediate revisions by one user not shown) Line 1: Line 1: ==English== ==English== [[File:Horocycle normals.svg|thumb|The disk model of the hyperbolic plane, with a horosphere in blue.]] [[File:Horocycle normals.svg|thumb|The disk model of the hyperbolic plane, with a horosphere in blue.]]   + ===Etymology===   + {{rfe}}   + ===Noun=== ===Noun=== {{en-noun}} {{en-noun}} - # An <math>n-1</math>[[-dimensional]] [[hyperplane]] in [[hyperbolic]] <math>n</math>-dimensional [[space]]: it is (in the [[Poincaré disk]]) [[Euclidean]]-[[tangent]] at [[infinity]] to the [[boundary]] [[sphere]] or (in the upper-half-space [[model]]) Euclidean-[[parallel]] to the boundary hyperplane.{{attention|en|topic=mathematics|comment=please check this for accuracy}} + # An <math>n-1</math>[[-dimensional]] [[hyperplane]] in [[hyperbolic]] <math>n</math>-dimensional [[space]]: it is (in the [[Poincaré disk]]) [[Euclidean]]-[[tangent]] at [[infinity]] to the [[boundary]] [[sphere]] or (in the upper-half-space [[model]]) Euclidean-[[parallel]] to the boundary hyperplane.   +   + ===See also===   + * {{pedia}} ===Anagrams=== ===Anagrams=== Line 10: Line 13: [[Category:en:Geometry]] [[Category:en:Geometry]] - + [[Category:English terms needing topical attention|topic=mathematics|please check this for accuracy]] [[zh:horosphere]] [[zh:horosphere]]

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