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Steven H. Cullinane (scullinane@acm.org)
Elderly, retired, finite-geometry enthusiast.
Personal journal
Mathematics website
ORCID bio page
Google Scholar
Mathematics image gallery
Academia.edu
Harvard Dataverse
Harvard DASH article on PG(3,2)
GitHub
Internet Archive: Notes on Groups and Geometry
Encyclopedia of Mathematics
The Diamond Theorem and Truchet Tiles
Cullinane in a 2020 Royal Holloway Ph.D. thesis
Squares, Chevrons, Pinwheels, and Bach
Diamond-theorem art by Josefine Lyche
Portfoliobox
Substack
Symmetry Summary
Association for Computing Machinery