isomorphismes:

A beautiful depiction of a 1-form by Robert Ghrist. You never thought understanding a 1→1-dimensional ODE would be so easy!

What his drawing makes obvious, is that images of Phase Space wear a totally different meaning than “up”, “down”, “left”, “right”. In this…

This is just… Wow. I love this proof.

(Source: math.upenn.edu, via fuckyeahmath)