Key points are not available for this paper at this time.
Consider a family F of k-subsets of an ambient (k²-k+1) -set such that no pair of k-subsets in F intersects in exactly one element. In this short note we show that the maximal size of such F is k²-k-1k-2 for every k > 1.
Danila Cherkashin (Thu,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: