DOI: 10.33232/BIMS.0091
- Editorial, ii
- Letters to the Editor, v
- Notices from the Society, 1
Obituaries
- Arnold Feldman, John McDermott, Martin Newell Rex Dark (1942-2022), 5
DOI: 10.33232/BIMS.0091.5.8
Articles
- Brendan Guilfoyle From CT scans to 4-manifold topology via neutral geometry, 9
DOI: 10.33232/BIMS.0091.9.32
- Des MacHale Trivial Centre Group Orders, 33
DOI: 10.33232/BIMS.0091.33.35
- Patrick J. Browne, Steven T. Dougherty, Padraig Ó Catháin Segre's theorem on ovals in Desarguesian projective planes, 37
DOI: 10.33232/BIMS.0091.37.47
- David B. Leep, Nandita Sahajpal Pairs of Quadratic Forms over the Real Numbers, 49
DOI: 10.33232/BIMS.0091.49.72
Classroom Notes
- Alan Roche There are infinitely many primes: two ring-theoretic variations on Euclid, 73
DOI: 10.33232/BIMS.0091.73.76
Book Reviews
- Róisín Hill, Aoife Hill Comic Sections Plus: The Book of Mathematical Jokes, Humour, Wit and Wisdom, by Des MacHale, 77
DOI: 10.33232/BIMS.0091.77.78
- Tommy Murphy The Story of Proof, by J. Stillwell, 79
DOI: 10.33232/BIMS.0091.79.80
- Henry Ricardo The Art of Proving Binomial Identities, by Michael Z. Spivey, 81
DOI: 10.33232/BIMS.0091.81.82
Problem Page
- I. Short (editor) Problem Page, 83
DOI: 10.33232/BIMS.0091.83.86