Abstract:The necessary conditions for the existence of a super-simple resolvable balanced incomplete block design on v v points with k ¼ 4 and ¼ 3, are that v v ! 8 and v v 0 mod 4. These conditions are shown to be sufficient except for v v ¼ 12 . #
“…A whist tournament is said to have three person-property, denoted by 3PWh(v) as in [19,26,33], if any two games do not have three common players. It was Hartman who first discussed this property in [30].…”
A directed triplewhist tournament on p players over Z p is said to have the three-person property if no two games in the tournament have three common players. We briefly denote such a design as a 3PDTWh( p). In this paper, we investigate the existence of a Z-cyclic 3PDTWh( p) for any prime p ≡ 1 (mod 4) and show that such a design exists whenever p ≡ 5, 9, 13 (mod 16) and p ≥ 29. This result is obtained by applying Weil's theorem. In addition, we also prove that a Z-cyclic 3PDTWh( p) exists whenever p ≡ 1 (mod 16) and p < 10,000 except possibly for p = 257,769.
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