The Quantum Pontiff

Category archives for Mathematics

Is This a Mathematica Bug?

Miguel Pais points to an interesting behavior of Mathematica, where he plots the function which is the square of the square root of x. Now, if the domain of x is taken to be complex numbers, Mathematica’s behavior seems to me to be fine. But can anyone explain this behavior as anything other than a…

Off the Queue and Into the Cranium

Books off the queue and lodge securely somewhere behind my eyes: “A Mathematician’s Apology” by G.H. Hardy and “A Demon of Our Own Design: Markets, Hedge Funds, and the Perils of Financial Innovation” by Richard Bookstaber

Proof by Logical Exhaustion

Uncertain Chad asks “What’s your favorite dubious proof technique?” I just don’t have one dubious proof technique: I have an entire book of dubious proof techniques! Seriously, I have a book where I write them all down.