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math.CO2013
On the possible volume of - trades
Saeedeh Rashidi, Nasrin Soltankhah
A -way of volume consists of disjoint collections , , each of blocks, such that for every -subset of -set the number…
math.CO2013★ 2 cited
The 3-way intersection problem for S(2, 4, v) designs
Saeedeh Rashidi, Nasrin Soltankhah
In this paper the 3-way intersection problem for designs is investigated. Let and $I_{3}[v]=\{0,1,...,b_{v}\}\setminus\{b_{v}-7,b_{v}-6,b_{v}-…