2021 Sep
Burnside’s lemma by traces
2020 Nov

Fibering of the trefoil knot complement
The algebra associated to SO(1,1)

2020 May
Four-coloring infinite graphs
2019 Aug

On Stirling’s approximation
What are Gauss and Dowker-Thistlethwaite codes?

2018 May

Universality and quines
Hex on the real projective plane

2018 Jan
Superfluous letters
2017 Oct
Triviality of asynchronous consensus allowing one faulty process
2017 Sep

Penrose notation and finite group representations
Fibered knot widget

2015 Sep
The log test
2014 Feb
Julia set viewer