Title of article :
The intersection problem for 2- directed block designs
Author/Authors :
Soltankhah، نويسنده , , Nasrin and Ahmadi، نويسنده , , Somaye، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Abstract :
The intersection problem for a pair of 2- ( v , 3 , 1 ) directed designs and 2- ( v , 4 , 1 ) directed designs is solved by Fu in 1983 and by Mahmoodian and Soltankhah in 1996, respectively. In this paper we determine the intersection problem for 2- ( v , 5 , 1 ) directed designs.
Keywords :
Directed designs , Intersection of directed designs
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics