
doi: 10.1007/bf01788544
This paper gives constructive methods for embedding a dicyclic solution of a balanced incomplete block design with parameters \((2t+1,4t+2,2t,t,t- 1)\) in a Hadamard matrix of order \(4t+4\). In a recent paper [Three new dicyclic solutions of (21,42,20,10,9)-designs, J. Comb. Theory, Ser. A 40, 427-428 (1985; Zbl 0575.05009)] the first and third authors present three dicyclic solutions of (21,42,20,10,9)-designs. The current authors then use these designs to construct the three new Hadamard matrices of order 44 promised by the construction described earlier in the paper.
Hadamard matrix, dicyclic solution, Combinatorial aspects of matrices (incidence, Hadamard, etc.), balanced incomplete block design
Hadamard matrix, dicyclic solution, Combinatorial aspects of matrices (incidence, Hadamard, etc.), balanced incomplete block design
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