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In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
On the cover: Apollonian packing
David Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
Chalkdust issue 11 puzzle hunt #1
Matthew Scroggs sets the first puzzle. Can you solve it?
Top ten vote issue 08
Vote for your favourite Chalkdust regular
Christmas conundrum #1
Solve this and you could be the lucky winner of a Chalkdust T-shirt
Dear Dirichlet, Issue 01
Moonlighting agony uncle Professor Dirichlet answers our readers' personal problems.