What is...the Brouwer fixed point theorem?
Goal.
I would like to tell you a bit about my favorite theorems, ideas or concepts in mathematics and why I like them so much.
This time.
What is...the Brouwer fixed point theorem? Or: Why lines need to cross.
Disclaimer.
Nobody is perfect, and I might have said something silly. If there is any doubt, then please check the references.
Slides.
http://www.dtubbenhauer.com/youtube.html
Mathematica.
http://demonstrations.wolfram.com/Bro...