Hey Fediverse!

I've been asked for for advice on an introductory book on non Euclidean geometry and I have no idea, could you recommend some?

Thank you in advance 💜

@ondiz I no longer see where I obtained it unfortunately, but "Hyperbolic Geometry," by James Cannon et. al., apparently published in Flavors of Geometry, Volume 31, 1997, is an excellent starting point. It's about a hundred pages long and covers all hyperbolic and conformal models along with the mappings between them, in an intuitive yet accurate manner.

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