Timothy Chow of MIT has proposed a new Polymath project: resolve Rota’s basis conjecture. What’s that? It’s this: … if $B_1$, $B_2$, $\ldots$, $B_n$ are $n$ bases of an $n$-dimensional vector space $V$ (not necessarily distinct or disjoint), then there exists an $n \times n$ grid of vectors ($v_{ij}$) such that 1. the $n$ vectors…
Watch this bold decision-maker score 100 at the “is this prime?” game
Fan of the site Ravi Fernando has written in to tell us about his high score at the “is this prime?” game: a cool century! I’ve been a fan of your “Is this prime?” game for a while, and after seeing your blog post from last May, I thought I’d say hi and send you some high…
George Boole statue to be erected in Lincoln
It was George Boole’s bicentenary in 2015, so the Heslam Trust is a bit slow to reveal its plans to erect a statue of the great man in his home town of Lincoln. The sculptors, Martin Jennings and Antony Dufort, have come up with a few designs for the statue, and they’d like the public to vote…
Hans Rosling and Raymond Smullyan have died
Why should I worry about dying? It’s not going to happen in my lifetime! Raymond Smullyan, This Book Needs No Title (1986) This week, the mathematical community has lost not one but two of its most beloved practitioners. Earlier this week, Swedish statistician Hans Rosling passed away aged 68, and today it’s been announced that author…
Carnival of Mathematics 142
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of January, and compiled by Manan, is now online at Math Misery. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
Math Teachers at Play #104
Welcome to #104 of the Math Teachers At Play (MTaP) blog carnival. A blog carnival is a regular blogging round up coordinated by someone (in this case Denise Gaskins) that moves around different blogs each edition. This time, I’m taking a turn.
Dani’s OEIS adventures: triangular square numbers
Hi! I’m Dani Poveda. This is my first post here on The Aperiodical. I’m from Spain, and I’m not a mathematician (I’d love to be one, though). I’m currently studying a Spanish equivalent to HNC in Computer Networking. I’d like to share with you some of my inquiries about some numbers. In this case, about triangular…