2009
DOI: 10.1007/s00373-008-0819-3
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Further 6-sparse Steiner Triple Systems

Abstract: Abstract. We give a construction that produces 6-sparse Steiner triple systems of order v for all sufficiently large v of the form 3p, p prime and p ≡ 3 (mod 4). We also give a complete list of all 429 6-sparse systems with v < 10000 produced by this construction.

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Cited by 2 publications
(2 citation statements)
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“…Wolfe [68,70] Forbes, Grannell and Griggs [31,32] constructed infinite classes of 6-sparse STS(n)'s. As Teirlinck [66] writes in his 2009 review of [70] "currently no nontrivial example of a 7-sparse Steiner triple system is known".…”
Section: Sparse Steiner Systemsmentioning
confidence: 99%
“…Wolfe [68,70] Forbes, Grannell and Griggs [31,32] constructed infinite classes of 6-sparse STS(n)'s. As Teirlinck [66] writes in his 2009 review of [70] "currently no nontrivial example of a 7-sparse Steiner triple system is known".…”
Section: Sparse Steiner Systemsmentioning
confidence: 99%
“…Although substantial progress has been made by Fujiwara [7,8] and by Wolfe [15][16][17], the proof is still incomplete. As regards 6-sparse systems, infinitely many of these are known [4,5], but no non-trivial k-sparse systems are known for any k ≥ 7.…”
Section: Introductionmentioning
confidence: 99%