Combinatorial coordinates for the aperiodic Spectre tiling| www.chiark.greenend.org.uk
Aperiodic Tilings V: the Refinable Frontier| www.chiark.greenend.org.uk
Brute-forcing Langley’s geometry problem with field extensions| www.chiark.greenend.org.uk
Beyond “Beyond the wall”| www.chiark.greenend.org.uk
Beyond the wall| www.chiark.greenend.org.uk