The Four Color Theorem (Graph/Network Theory)

preview_player
Показать описание
To learn more about the history of this problem and several attempted proofs, these are great resources:


De Morgan's Letters:


The simplification to 633 graphs (shown at the end of the video) can be found in N. Robertson, D. P. Sanders, P. D. Seymour and R. Thomas work here:


If you have access to scientific journals. a fun but impossible "contradiction" requiring more than 4 colors can be viewed here:

Рекомендации по теме
Комментарии
Автор

Until I am able to post links in the description here are some good resources:

To learn more about the history of this problem and several attempted proofs, these are great resources:

De Morgan's Letters:

The simplification to 633 graphs (shown at the end of the video) can be found in N. Robertson, D. P. Sanders, P. D. Seymour and R. Thomas work here:

If you have access to scientific journals. a fun but impossible "contradiction" requiring more than 4 colors can be viewed here:

littlebluebox
Автор

I loved this video and the animation. I was surprised when I saw u only had a few subscribers

shathursanvamathevan
Автор

nice video .... but i thought Appel and Hakken's 1976 work was a proof ... not so?

markharnitchek