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King is a PhD student at UCL studying PDEs from physics from a pure maths point of view. He loves everything beautiful, whether a theorem or a photo. In his spare time, he likes doing photography, trying new things and daydreaming.

Top ten: Mathematical norms
The undisputed chart of the best mathematical norms this season
It’s a particle… It’s a wave… No, it’s a soliton!
Ricky Li explores the past and future of the soliton
Crossnumber winners, issue 13
Did you solve it?
Dear Dirichlet, Issue 12
Books, business and barns are the topics readers have sent in to the professor's postbox this issue
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
Switching sides in a matrix equation
Looking for a neat description of this useful matrix part-inverse