On rooted trees and differentiation
The chain rule for higher order derivatives boasts a wealth of beautiful mathematical structure touching the theory of special rooted trees, group theory, combinatorics of integer partitions, order theory, and many others.
Nov 22, 2023
Dual numbers
There is a generalisation of the complex numbers with $i^2=0$
Aug 9, 2021
Reversible optimisers
Some optimizers can be run backwards
Dec 20, 2020
On the 'invention' of randomness
On E T Jaynes' posthumous all-round cult classic Probability Theory: The Logic of Science is the focus of our study
Dec 15, 2019