Screenshot from 2025-03-14 17-35-53

Does a de Bruijn sequence exist for every length of rhyming pattern? Does every de Bruijn sequence form a cycle? How many universal poems are there of a given length?

Clare (like gare) is a Chalkdust editor. In her spare time, she’s an assistant professor at Durham University. She likes Skittles, probability, and making the magazine look more like Cosmo.

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
Chalkdust dissertation prize
Calling all final-year students!
The big argument: What’s the best way to end a proof?
QED or $\square$?
In conversation with Clifford Cocks
We chat to the crypto chief about inventing RSA... but not being able to tell anyone
Dear Dirichlet, Issue 09
Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column
Maths for money: The Longitude Prize
When people do science for money…