img5 - Chalkdust

In this diagram the 2-simplex is $\alpha= a bc$, while the vertex $\gamma$ is $a$.

Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Cryptic wordsearch, Issue 19
Can you solve it?
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
$The Newton–Raphson fractal$
The Newton–Raphson fractal
James Christian and George Jensen zoom in, out, in, out, and tell us what it's really all about
Puzzles about partitions
Tricks and puzzles that provide an introduction to the world of partitions
The first Black Mathematician Month outreach event
Looking back at the exciting day that closed our 2018 celebrations