Sam Zhang

Dear lovely friends, We’re drawing near the second anniversary of Nora’s crossing.

See our interactive tutorial or the paper.

See the full screen page.

See the full screen page.

See source.

Full screen version.

Catastrophe theory was a popular branch of mathematics concerned with qualitative characterizations of ways that singularities relate to potential energy functions.

Suppose you want to fit an ordinary least squares model to a set of points in $\mathbb{R}^2$, but you zoned out during statistics class and now you’re stuck on a desert island.

Charles Dodgson, better known as Lewis Carroll, once posed the following mathematical question: what is the probability that a random triangle is obtuse?

Here’s an interactive visual diagram to accompany the proof of the elementary fact that the cross-section of a cylinder is an ellipse: Full screen version.