Abstract
A class of unbiased (−1, 1)-matrices extracted from a single Hadamard matrix is shown to provide uniform imprimitive association schemes of four class and six class.
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Acknowledgements
Kharaghani thanks NSERC for the continuing support of his research.
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Holzmann, W.H., Kharaghani, H., Suda, S. (2015). Mutually Unbiased Biangular Vectors and Association Schemes. In: Colbourn, C. (eds) Algebraic Design Theory and Hadamard Matrices. Springer Proceedings in Mathematics & Statistics, vol 133. Springer, Cham. https://doi.org/10.1007/978-3-319-17729-8_12
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DOI: https://doi.org/10.1007/978-3-319-17729-8_12
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