img04 - Chalkdust

Hasse diagram and…

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
Dear Dirichlet, Issue 17
Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.
The hidden harmonies of Hamming distance
Chris Boucher explores the secrets and symmetries behind a measure of the distance between binary strings
Well, well, well…
A fiendish puzzle for you to 'pour' over...
Top Ten vote: Colours of chalk
Vote for your favourite colour of chalk for Issue 04: is it white, yellow, or the Post Office Tower?
Puzzles on square grids
How to make Sudoku more interesting