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Discrete Mathematics
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Discrete Mathematics
Article . 1983
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Discrete Mathematics
Article . 1983 . Peer-reviewed
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Graphical t-wise balanced designs

Authors: Leo G. Chouinard; Donald L. Kreher; Earl S. Kramer;

Graphical t-wise balanced designs

Abstract

AbstractA pair (X, B) will be a t-wise balanced design (tBD) of type t−(v, K, λ) if B = (Bi: i ϵ I) is a family of subsets of X, called blocks, such that: (i) |X| = v ϵ N, where N is the set of positive integers; (ii) 1⩽t⩽|Bi|ϵK⊆N, for every i ϵ I; and (iii) if T ⊆ X, |T| = t, then there are λ ϵ N indices i ϵ I where T ⊆ Bi. Throughout this paper we make three restrictions on our tBD's: (1) there are no repeated blocks, i.e. B will be a set of subsets of X; (2) t ∉ K or there are no blocks of size t; and (3) Pk(X)⊈B or B does not contain all k-subsets of X for any t

Related Organizations
Keywords

Graph theory, labelled edges, Discrete Mathematics and Combinatorics, t-design, complete graph, Combinatorial aspects of block designs, Theoretical Computer Science

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
17
Average
Top 10%
Average
hybrid