Title
String Quartets in Binary
Abstract
Let M(n, A) denote the maximum possible cardinality of a family of binary strings of length n, such that for every four distinct members of the family there is a coordinate in which exactly two of them have a 1. We prove that M(n, A) ≤ 20.78n for all sufficiently large n. Let M(n, C) denote the maximum possible cardinality of a family of binary strings of length n, such that for every four distinct members of the family there is a coordinate in which exactly one of them has a 1. We show that there is an absolute constant c M(n, C) ≤ 2cn for all sufficiently large n. Some related questions are discussed as well.
Year
DOI
Venue
2000
10.1017/S0963548300004375
Combinatorics, Probability & Computing
Keywords
Field
DocType
distinct member,length n,absolute constant c,maximum possible cardinality,large n,related question,binary string,string quartets
Discrete mathematics,Combinatorics,Binary strings,Cardinality,Mathematics,Binary number
Journal
Volume
Issue
ISSN
9
5
0963-5483
Citations 
PageRank 
References 
6
1.26
10
Authors
3
Name
Order
Citations
PageRank
Noga Alon1104681688.16
János Körner261.26
Angelo Monti367146.93