Design theory
Generalized whist tournament designs
Discrete Mathematics
Existence of balanced incomplete block designs for many sets of treatments
Discrete Mathematics - Papers on the occasion of the 65th birthday of Alex Rosa
Generalized whist tournament designs
Discrete Mathematics
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Necessary conditions for the existence of (3,6) generalized Whist tournament designs on υ players are that υ ≡ 0, 1 (mod 6). For υ = 6n + 1 it is shown that these designs exist for all n. For υ = 6n, it is impossible to have a design for n = 1, but for n 1 it is shown that designs exist, except possibly for 73 values of n the largest of which is n = 199. A solution is also provided for the only unknown (υ, 6, 5) RBIBD, namely, υ = 174.