Part I —
Also in May 1986 —
86-05-08… A linear complex related to M24 . Anatomy of the polarity pictured in the 86-04-26 note. 86-05-26… The 2-subsets of a 6-set are the points of a PG(3,2).
Beutelspacher's model of the 15 points of PG(3,2) |
Part II — (36 years later)