Mathematical curiosities

Things that turned out to be stranger than I expected once I looked properly. No application intended.

Chords are shapes July 20, 2026
What an isomorphic keyboard makes visible about harmony

Calculating the Mean October 10, 2025
I thought means were simple. I was wrong.

A Tutorial on Ciphers June 1, 2025
From Caesar to a Simplified Enigma

Typicality August 10, 2024
In high dimensions, typical is unintuitive

Graph enumeration January 10, 2024
The orderly enumeration of graphs

Representations within linear algebra September 26, 2016
We can use linear algebra to represent; linear operators, algebras, computations, symmetry and more.