Abstract :
In 1994, van Trung (Discrete Math. 128 (1994) 337–348) [9] proved that if, for some positive integers d and h, there exists an Sλ(t,k,v) such thatλ02v−k+1∑0⩽l
Keywords :
Extension of designs , Recursive construction , t-design
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics