## Zentralblatt MATH

Publications of (and about) Paul Erdös

Zbl.No:  493.05048
Autor:  Chung, F.R.K.; Erdös, Paul; Graham, Ronald L.
Title:  Minimal decompositions of hypergraphs into mutually isomorphic subhypergraphs. (In English)
Source:  J. Comb. Theory, Ser. A 32, 241-251 (1982).
Review:  The authors tackle the following problem: given a family{H1,...,Hk} of r-uniform hypergraphs, each with the same number of edges, find the smallest t such that each Hi can be decomposed into mutually isomorphic subhypergraphs Eij,1 \leq j \leq t. This study extends the authors' previous work on the case r = 2 [Combinatorica 1, 13-24 (1981)]. The main techniques used are interesting counting arguments. The results obtained are good but not sharp, so many open problems remain.
Reviewer:  D.de Caen
Classif.:  * 05C65 Hypergraphs
Keywords:  uniform hypergraphs; decompositions into isomorphic subhypergraphs

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