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An Application of Partitioned Balanced Tournament Designs to the Construction of Semiframes with Block Size Two

Rolf Rees 1
1Dept. Math, and Computer Science Mount Allison University

Abstract

We employ a well-known class of designs to give a complete solution to the problem of determining the spectrum of uniform semiframes with block size two. As a corollary we prove that the complete graph Kgu, admits a one-factorization with an orthogonal set of u disjoint sub-one-factorizations of Kg if and only if g is even and u3.