Math Rap: One Geometry

Oh, ya! Poincare! Here’s a link to the Lyrics.

He’s just an unemployed don who’s living with his mom
But his name is Perelman and he’s got it going on!

Amen, Brother.

(Hat tip: N-Category Cafe)


“Concrete Groupoid Theory”, “Axiomatic Theories”: the Same Subject?

Here’s Part I

And Part II

ThanksGiving Geometry Fun

John Baez keeps the math going through the thanksgiving weekend.