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An Intrinsic Formula for the Cross Ratio in Spherical and Hyperbolic Geometries
- Source :
- The College Mathematics Journal. 46:182-188
- Publication Year :
- 2015
- Publisher :
- Informa UK Limited, 2015.
-
Abstract
- The cross ratio is a well known and useful invariant in Euclidean and projective geometries. Since it is invariant under Mobius transformations, it extends to spherical and hyperbolic geometries. I...
Details
- ISSN :
- 19311346 and 07468342
- Volume :
- 46
- Database :
- OpenAIRE
- Journal :
- The College Mathematics Journal
- Accession number :
- edsair.doi...........074a0b5b0e899db1421dee2daa50ee77
- Full Text :
- https://doi.org/10.4169/college.math.j.46.3.182