5-designs with three intersection numbers
It is proved that the Witt 5-(24,8,1) design is the unique 5-\((v, k, \lambda)\) design with exactly three intersection numbers if \(k- 1\) is a prime or \(\lambda\leq 4\) or at least two intersection numbers are less than 5.
scientific article; zbMATH DE number 720825
scientific article