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.
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.…
I’m trying something a bit different. Here’s a ten-minute video about a sequence I found on the OEIS.
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.
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).
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…
We’ve gone crashing into October and that means it’s also #Mathober, an annual maths/art celebration taking place on the internet. If you’re into maths or art, or both, and would like to try producing something creative this month, on an informal schedule, #mathober provides a structure for you to do that.