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Difference between revisions of "Chapter 2: An ancient theorem and a modern question"
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Chapter 2: An ancient theorem and a modern question (view source)
Revision as of 21:47, 16 May 2020
, 21:47, 16 May 2020→Radians and \pi
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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 === | ||