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Chapter 2: An ancient theorem and a modern question: Difference between revisions

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So just remember, <math> \pi = 180^\circ </math>. Further explanations are given in the [[Preliminaries| preliminaries]] section.
So just remember, <math> \pi = 180^\circ </math>. Further explanations are given in the [[Preliminaries| preliminaries]] section.
==== Representational Models ====
* [https://en.wikipedia.org/wiki/Poincar%C3%A9_disk_model Conformal Disk] (Beltrami-Poincare)
* [https://en.wikipedia.org/wiki/Beltrami%E2%80%93Klein_model Projective] (Beltrami-Klein)
* [https://en.wikipedia.org/wiki/Hyperboloid_model Hyperboloid] (Mindowski-Lorenz)
==== Geodesic ====
A [https://en.wikipedia.org/wiki/Geodesic geodesic] is a curve representing the shortest path between two points in a space. It is a generalization of the notion of a "straight line".


=== Hyperbolic Geometry ===
=== Hyperbolic Geometry ===
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