Abstract
A simple construction produces designs with the parameters of the title, which are extensions of the generalised quadrangle of order (4, 2). The construction also works for two related parameter sets. A feature of the construction is the large number of non-isomorphic designs it produces.
Original language | English |
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Pages (from-to) | 89-90 |
Number of pages | 2 |
Journal | Discrete Mathematics |
Volume | 87 |
Issue number | 1 |
DOIs | |
Publication status | Published - 19 Jan 1991 |