Hunt For The Elusive 4th Klein Bottle - Numberphile

Carlo Séquin on his search for the elusive "fourth type of Klein bottle".
More videos on Klein Bottles: http://bit.ly/KleinBottles

Carlo's paper: http://bit.ly/Carlo_Klein

Also featuring Carlo:
Mobius House
https://youtu.be/iwo7JReFTeg
Torus Donut
https://youtu.be/3_VydFQmtZ8

Pi with Pies: https://youtu.be/ZNiRzZ66YN0

NUMBERPHILE
Website: http://www.numberphile.com/
Numberphile on Facebook: http://www.facebook.com/numberphile
Numberphile tweets: https://twitter.com/numberphile

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

Videos by Brady Haran

Support us on Patreon: http://www.patreon.com/numberphile

Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/

A run-down of Brady's channels: http://www.bradyharan.com

Sign up for (occasional) emails: http://eepurl.com/YdjL9