ricky - Chalkdust

Nora is a master’s student at UCL, interested in applied maths. When not studying, you can (almost always) find her reading.

Significant figures: Sofya Kovalevskaya
Nora Koparan tells the story of the first female professor of mathematics
Top Ten: Matrices
The definitive chart of the best matrices
Covering infinity
Sophie Bleau uncovers the secrets behind covering maps
Christmas conundrum #3
Try our nonograms! And remember, not all puzzles have a unique solution...
The Chalkdust Christmas card
This year's Chalkdust puzzle Christmas card
The joys of the Jacobian
Robert Smith? tells us how his favourite matrix saves lives