indiv1 - Chalkdust

Bea is a PhD student in the computer science department at UCL. Since joining the team she’s found that the other editors find the phrase ‘it needs more white space’ very triggering.

Easy to state, hard to prove: The Collatz conjecture
90 years later, we're still unable to prove this surprisingly simple statement
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Formal sums
Nik Alexandrakis explains what they are and what they can tell us
Secrets, surveys and statistics
Paula Rowińska uses mathematics to answer some awkward questions
Switching sides in a matrix equation
Looking for a neat description of this useful matrix part-inverse
Dear Dirichlet Christmas special
Agony uncle Professor Dirichlet answers your personal problems this Christmastime.