Quadruple systems of the projective special linear group PSL(2,q), q ≡ 1 (mod 4) |
| |
| Authors: | M. S. Keranen D. L. Kreher P. J.‐S. Shiue |
| |
| Abstract: | We determine the distribution of quadruple systems among the orbits of 4‐element subsets under the action of PSL(2,q) on the projective line when q ≡ 1 (mod 4). © 2003 Wiley Periodicals, Inc. J Combin Designs 11: 339–351, 2003; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/jcd.10043 |
| |
| Keywords: | linear fractions quadruple systems incidence matrix |
|
|
