Donovan, Diane M.; Grannell, Mike J.; Griggs, Terry S.; Lefevre, James G. and McCourt, Thomas
Self-embeddings of cyclic and projective Steiner quasigroups.
Journal of Combinatorial Designs, 19(1) pp. 16–27.
It is shown that for every admissible order v for which a cyclic Steiner triple system exists, there exists a biembedding of a cyclic Steiner quasigroup of order v with a copy of itself. Furthermore, it is shown that for each n≥2 the projective Steiner quasigroup of order 2n-1 has a biembedding with a copy of itself.
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