On the covering of t-sets with (t + 1)-s
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D. de Caen; D.L. Kreher; S.P. Radziszowski; W.H. Mills
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Article
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1991
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Elsevier Science
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English
β 1003 KB
On the covering of I-sets with (t + I)-sets: C(9,5,4) and C(10,6,.5), Discrete Mathematics 92 (1991) 65-77. A (v, k, t) covering system is a pair (X, S) where X is a tr-set of points and D is a family of k-subsets. called blocks, of X such that every t-subset of X is contained in p least one block.