The 3-class Association Schemes Connecte
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R.W. Goldbach; H.L. Claasen
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Article
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2000
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Elsevier Science
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English
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In this paper we determine all symmetric and non-symmetric 3-class association schemes such that for their adjacency matrices D i we have Hadamard matrix of order 16 (i.e. an Hadamard matrix consisting of 16 square blocks H i j of order 4 such that H ii = J 4 and H i j J 4 = J 4 H i j = 0). It appe