Game Night: Shikoku 1889 and the Math of Rail Networks
When graph theory meets stock markets on the Japanese railway boom
Mid-game chaos: railway networks, stock certificates, and way too many poker chips
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When Math Breaks Common Sense: The Independence Illusion
Why X and X+Y aren't independent (except when they are?)
An easy exercise in probability is to ask: if two random variables X and Y are independent, is X also independent of X+Y? The short answer is no—in general, they are not independent.
The Two Envelope Paradox
The curious case of infinite switching