jcram: a principled approach to code golf.
Can a simple and principled data compressor find its place in the world of emerging, purpose-built code-golf languages?
Triangulation of convex polygons
Musings on triangulation techniques for convex polygons.
An alternative derivation of Shannon entropy.
An alternative, easy to follow derivation of Shannon entropy.
Rice and Rice-Shapiro theorems.
A brief introduction to my favourite theorems in computability theory.
The link between Fibonacci numbers and primes
A collection of curiosities concerning Fibonacci numbers, primes and relations between them.
Heaviside’s partial fraction decomposition method.
A brief explanation of Heaviside’s cover-up method for partial fraction decomposition, domain extensions and applications to computer algebra.
Dan Baronet’s Microwave
A code golf challenge inspired by an anecdote about Dan Baronet.
An Antique Steam Engine
The story of a forgotten invention that could have changed the world.
The nested means problem.
How to solve a mathematics problem using the supercharged powers of APL?
Journey to the Center of the Lambda Calculus
An evaluator for untyped lambda calculus written in Dyalog APL.