threshold-combined

Adding blur and threshold distorts the dual graph.

Sam is a maths student at Durham University where he hosts
Chalkboard Ultra podcast and spends too much time thinking about the Standard Model and Mexican hats. If he’s not pestering Adam then he can definitely be found playing the keytar in a funk band completely unrelated to quantum field theory.

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
A symmetric universe
Sam Kay reflects on building a universe
In conversation with Robin Wilson
Ashleigh Wilcox and Ellen Jolley chat to the professor and maths communicator about books, the Open University and music
The big argument: Should we write another issue?
How much barrel is left to scrape?
The big argument: What’s the best way to end a proof?
QED or $\square$?
How to Think About Abstract Algebra
We review the seventh of this year’s nominees for the Book of the Year