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Browsing by Author "Tsai, Shi-Chum"

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    Simple distance-preserving mappings from ternary vectors to permutations
    (2008-07-01)
    Lin, Te-Tsung
    ;
    Tsai, Shi-Chum
    ;
    Wu, Hsin-Lung
    ;
    資訊工程學系
    ;
    Department of Computer Science
    We give a simple construction of distance-preserving Mappings from ternary vectors to permutations (3-DPM). Our result gives a lower bound for permutation arrays, i.e., P(n, d) >= A(3)(n, d), which significantly improves previous lower bounds for d <= 3n/5.