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Browsing by Author "Guo, H"

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    Some classes of four-weight spin models
    (2001-04-01)
    Guo, H
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    Huang, T
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    應用數學系
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    Department of Applied Mathematics
    We classify four-weight spin models (X; W-1, W-2, W-3, W-4) with sizes at most four. We also study the class of four-weight spin models with exactly two distinct values in W-4, reduce their existence to that of certain symmetric designs. (C) 2001 Elsevier Science B.V. All rights reserved.