Graph Theory
Solving the Königsberg Bridge Problem
This proof is accessible to ANYONE — no mathematics knowledge required! (perfect for if you are a bit bored and in isolation, like me…
Maths and Musings
Mathematics
Proving Arrow’s Impossibility Theorem
Let’s prove the result behind why group decisions, from democracy to take-away choice, are always flawed.
Calculus
Rediscovering the Euler-Lagrange Equation
For the determined amateur
Mathematics
1988 IMO Question Six
Solving the Hardest Problem on the Hardest Test
Logic
The Limits of Logic
What happens when logic goes wrong?