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 |
|---|---|
| Pages (from-to) | 89-90 |
| Number of pages | 2 |
| Journal | Discrete Mathematics |
| Volume | 87 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 19 Jan 1991 |