〈 Berger | Dillon 〉

“[The proof] looked too good to be true ... Something this short and simple — it should have been in textbooks already. So my first thought was, no, this can’t be true.” -Terrance Tao

Here's how much of a badass Terrance Tao is. Upon being contacted by the Particle Physicists (), Terence Tao came up with three independent proofs in two hours

The condition on the matrix A is that it be Hermitian, meaning that it is equal to its complex conjugate transpose.

Some people are commenting without clicking the link. For the click-averse: Terrance Tao is a co-author of this paper

I can do a more technical & separate thread on this to make the theorem statement more precise if you'd like