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5-Sided Square - Numberphile

2018-08-13

[public] 1.96M views, 84.0K likes, 1.23K dislikes audio only

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Intro
/youtube/video/n7GYYerlQWs?t=0
Threesided Square
/youtube/video/n7GYYerlQWs?t=11
Constant curvature
/youtube/video/n7GYYerlQWs?t=95
Pseudosphere
/youtube/video/n7GYYerlQWs?t=138
Negative curvature
/youtube/video/n7GYYerlQWs?t=190
Bad topology
/youtube/video/n7GYYerlQWs?t=396