Information on Result #1297969

Linear OA(359, 19709, F3, 9) (dual of [19709, 19650, 10]-code), using construction X with VarÅ¡amov bound based on
  1. linear OA(356, 19704, F3, 9) (dual of [19704, 19648, 10]-code), using
    • construction X4 applied to C([0,4]) ⊂ C([0,3]) [i] based on
      1. linear OA(355, 19684, F3, 9) (dual of [19684, 19629, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 318−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
      2. linear OA(337, 19684, F3, 7) (dual of [19684, 19647, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 19684 | 318−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
      3. linear OA(319, 20, F3, 19) (dual of [20, 1, 20]-code or 20-arc in PG(18,3)), using
      4. linear OA(31, 20, F3, 1) (dual of [20, 19, 2]-code), using
  2. linear OA(356, 19706, F3, 7) (dual of [19706, 19650, 8]-code), using Gilbert–VarÅ¡amov bound and bm = 356 > Vbs−1(k−1) = 5 200458 372769 533435 839523 [i]
  3. linear OA(31, 3, F3, 1) (dual of [3, 2, 2]-code), using

Mode: Linear.

Optimality

Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(359, 9854, F3, 2, 9) (dual of [(9854, 2), 19649, 10]-NRT-code) [i]OOA Folding