Strong qualitative independence

被引:4
|
作者
Katona, GOH [1 ]
机构
[1] Hungarian Acad Sci, Alfred Renyi Inst Math, H-1364 Budapest, Hungary
关键词
search; qualitatively independent sets; Hadamard matrix; code;
D O I
10.1016/S0166-218X(03)00190-2
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The subsets A, B of the n-element X are said to be s-strongly separating if the two sets divide X into four sets of size at least s. The maximum number h(n,s) of pairwise s-strongly separating subsets was asymptotically determined by Frankl (Ars Combin. 1 (1976) 53) for fixed s and large n. A new proof is given. Also, estimates for h(n, en) are found where c is a small constant. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:87 / 95
页数:9
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