Title of article :
On the PBD-closure of sets containing 3 Original Research Article
Author/Authors :
M. Grüttmüller، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
We describe a method used to prove nonexistence of pairwise balanced designs and determine the exact closure of all subsets K of the set {3,4,…,22} with K∩{11,12,…,22}≠∅ and 3∈K.
Keywords :
Pairwise balanced design , PBD-closure
Journal title :
Discrete Applied Mathematics
Journal title :
Discrete Applied Mathematics
