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# Tag Archives: codes

## From the archive, 2

Next up is a document which is just over a quarter-century old, a photocopy of a 26-page handwritten document entitled “On doing geometry in CAYLEY”. The background, as explained in the document, is that John Cannon’s computer algebra system CAYLEY, … Continue reading

Posted in exposition, history
Tagged buildings, CAYLEY, chamber systems, codes, computer algebra, finite geometry, GAP, MAGMA
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## Solutions

The word “solutions” is much overused, even misused, now. When I see a van with “Cleaning solutions” on the side, I imagine it full of containers of ammonia or soapy water, while “Printing solutions” can only mean ink … But … Continue reading

Posted in books, teaching
Tagged Cambridge University Press, codes, Dan Hughes, designs, exercises, graphs, Higman-Sims, Jack van Lint, MUBs, quaternary codes, Westfield College
1 Comment

## History

Ten years ago, Queen Mary had a study programme in Discrete Mathematics. We were one of the first universities in Britain to do this, and I believe they invented a special UCAS code for the course. The study programme was … Continue reading

Posted in mathematics, teaching
Tagged codes, designs, discrete mathematics, finite geometry
1 Comment