Double Maths First Thing almost forgot to put this line in! Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight of doing mathematical things. This week I am mainly getting to grips with reluctantly becoming treasurer for my Toastmasters club. They’re letting me loose with…
Books to Recommend to Maths Students
I was asked recently by a first-year maths undergrad student if I could recommend any books on problem-solving, as they were hoping to develop their problem-solving skills. Asking around some maths communication colleagues has resulted in an impressive list of recommendations for books for maths undergraduate students, which I’m sharing here.
Double Maths First Thing: Issue 39
DMFT is grateful for the last minute. Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight of doing maths and solving problems. Today I went to a school in Poole to talk about my career in maths and computing as part of Dorset Coding Week.…
What on earth is the infinite least squares beanstalk?
I’m trying something a bit different. Here’s a ten-minute video about a sequence I found on the OEIS.
Carnival of Maths 244
The next issue of the Carnival of Mathematics, rounding up blog posts from the month of September 2025, is now online at IoannaGeorgiou.com. 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.
Aperiodical News Roundup – August/September 2025
Here’s a round-up of maths news stories from this month we haven’t otherwise covered on the Aperiodical (not including, of course, the important enneahedron news Christian just posted about).
Breaking enneahedron news!
A nice person called Payton Asch sent me an email with an observation about the Herschel enneahedron: It looks like the underlying polytope for the enneahedron is a triangular bipyramid (two tetrahedra stacked on top of each other) or the dual polytope would be a triangular prism. In the case of the triangular bipyramid you…