Elsevier

Discrete Mathematics

Volume 109, Issues 1–3, 12 November 1992, Pages 59-67
Discrete Mathematics

Halving Steiner triple systems

Dedicated to Gert Sabidussi.
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Abstract

We examine the following question: for which orders does there exist a Steiner triple system whose block set can be partitioned into two subsets inducing isomorphic hypergraphs?

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Present address: Department of Mathematics, St. Thomas University, Fredericton, N.B., Canada E3B 5G3.