A tripling construction for overlarge sets of KTS

Some new 2-resolvable Steiner quadruple systems

Luc Teirlinck · Designs Codes and Cryptography · 1994 · 59 citations

Natural Sciences, Mathematics, Combinatorics +4

Sylvester's problem of the 15 schoolgirls

R. H. F. Denniston · Discrete Mathematics · 1974 · 55 citations

Education, Secondary Education, Child Development +1

Further results on large sets of Kirkman triple systems

Lijun Ji, Jianguo Lei · Discrete Mathematics · 2007 · 33 citations

Natural Sciences, Computer Science, Mathematics +3

On large sets of Kirkman systems with holes

Jianguo Lei · Discrete Mathematics · 2002 · 31 citations

Natural Sciences, Computer Science, Mathematics +6

Further cases of double resolvability

R. H. F. Denniston · Journal of Combinatorial Theory Series A · 1979 · 31 citations

Natural Sciences, Constitutional Law, Dynamical Systems +1