dana blogs math: Dances, Billiards, and Pretzels

When I came to the Heidelberg Laureate Forum, I expected a feast for my mind. I didn’t expect a feast for my eyes! Take a look at this incredible video, by Diana Davis, which was featured in today’s lecture by Fields medalist Curtis McMullen. Davis, who is...

dana blogs math: In Love With Geometry

For generations, geometers have gotten used to not being able to see the objects that they prove theorems about. It’s a somewhat sad development in a subject that began in Euclid’s day with the splendidly visual concepts of points, lines, triangles, circles, conic...