|
|||||
|
|
On the chromatic numbers of Steiner triple systems |
|
| Authors: | Lucien Haddad |
| Abstract: | Geometric properties are used to determine the chromatic number of AG(4, 3) and to derive some important facts on the chromatic number of PG(n, 2). It is also shown that a 4-chromatic STS(v) exists for every admissible order v ≥ 21. © 1999 John Wiley & Sons, Inc. J Combin Designs 7: 1–10, 1999 |
| Keywords: | Projective and affine geometries colouring Steiner trifle systems |