par Dehon, Michel
Référence Discrete mathematics, 90, 2, page (137-142)
Publication Publié, 1991-07
Article révisé par les pairs
Résumé : Let S′ be a simple S′λ(t, k, l) containing b′blocks and let S be a, not necessarily simple, Sλ(t, l. v); we prove that if b′2(λ - 1) < (lk), then there exists a simple Sλλ'(t, k, v). We apply this result to prove the existence of a new infinite family of 5-designs derived from the Alltop's family of 5-designs. © 1991.