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Summary
DescriptionRelation5models.png
English: Poincaré disk, hemispherical and hyperboloid models are related by central projection from −1. Klein disk model is vertical projection from hemispheric model. Poincaré half-plane model here projected from the hemisphere model by rays from left end of Poincaré disk model.
Date
7 March 2012 (original upload date)
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Relations between hyperboloid and hemisphere models, Klein and Poincaré disks, and the half plane via stereographic and orthographic projections.