Abstract
Four circulant (or type 1) (0,1,−1) matrices X1, X2, X3, X4 of order t with the property that each of the t2 positions is non-zero in precisely one of the Xi and such that
will be called T-matrices.
This paper studies the construction, use and properties of T-matrices giving a new construction for Hadamard matrices and some new equivalence results for Hadamard matrices and Baumert-Hall arrays.
Written while this author was visiting the Mathematics Department, S.U.N.Y. at Buffalo, New York.
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References
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Lakein, R.B., Wallis, J.S. (1975). On the matrices used to construct baumert-hall arrays. In: Street, A.P., Wallis, W.D. (eds) Combinatorial Mathematics III. Lecture Notes in Mathematics, vol 452. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0069554
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DOI: https://doi.org/10.1007/BFb0069554
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