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[Author] Jung Youl PARK(1hit)

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  • A New Construction of Permutation Arrays

    Jung Youl PARK  Hong-Yeop SONG  

     
    PAPER-Sequences

      Vol:
    E95-A No:11
      Page(s):
    1855-1861

    Let PA(n, d) be a permutation array (PA) of order n and the minimum distance d. We propose a new construction of the permutation array PA(pm, pm-1k) for a given prime number p, a positive integer k < p and a positive integer m. The resulted array has (|PA(p,k)|p(m-1)(p-k))m rows. Compared to the other constructions, the new construction gives a permutation array of far bigger size with a large minimum distance, for example, when k ≥ 2p/3. Moreover the proposed construction provides an algorithm to find the i-th row of PA (pm, pm-1k) for a given index i very simply.