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

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==== Geodesic ====
==== 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".
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". These are well explained in the videos pertaining the hyperbolic geometry in the [[Essential|essential]] section.


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