Foams Python Package

A Python package for the SageMath class Foam, in the sense of link homology. It efficiently enumerates colorings of foams and implements the Robert-Wagner foam evaluation formula.


Implementation of Principal Component Analysis (PCA) for video compression.


Torus tool

Explore the fundamental polygon for the torus through a classic puzzle.

Projective plane tool

Explore the projective plane, the torus' evil cousin.

Surfaces Cut-and-Paste tool

Every surface is made up of tori and projective planes... but why?