Information on Result #677629

Linear OA(378, 85, F3, 53) (dual of [85, 7, 54]-code), using construction XX applied to C1 = C([0,99]), C2 = C([1,105]), C3 = C1 + C2 = C([1,99]), and C∩ = C1 ∩ C2 = C([0,105]) based on
  1. linear OA(374, 80, F3, 50) (dual of [80, 6, 51]-code), using contraction [i] based on linear OA(3154, 160, F3, 101) (dual of [160, 6, 102]-code), using the expurgated narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [0,99], and minimum distance d ≥ |{−1,0,…,99}|+1 = 102 (BCH-bound) [i]
  2. linear OA(375, 80, F3, 52) (dual of [80, 5, 53]-code), using contraction [i] based on linear OA(3155, 160, F3, 105) (dual of [160, 5, 106]-code), using the narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [1,105], and designed minimum distance d ≥ |I|+1 = 106 [i]
  3. linear OA(376, 80, F3, 53) (dual of [80, 4, 54]-code), using contraction [i] based on linear OA(3156, 160, F3, 107) (dual of [160, 4, 108]-code), using the expurgated narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [0,105], and minimum distance d ≥ |{−5,8,21,…,−67}|+1 = 108 (BCH-bound) [i]
  4. linear OA(373, 80, F3, 49) (dual of [80, 7, 50]-code), using contraction [i] based on linear OA(3153, 160, F3, 99) (dual of [160, 7, 100]-code), using the narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [1,99], and designed minimum distance d ≥ |I|+1 = 100 [i]
  5. linear OA(30, 1, F3, 0) (dual of [1, 1, 1]-code), using
  6. linear OA(32, 4, F3, 2) (dual of [4, 2, 3]-code or 4-arc in PG(1,3)), using

Mode: Constructive and 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.

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Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(378, 85, F3, 52) (dual of [85, 7, 53]-code) [i]Strength Reduction
2Linear OA(379, 86, F3, 53) (dual of [86, 7, 54]-code) [i]Code Embedding in Larger Space
3Linear OA(376, 83, F3, 51) (dual of [83, 7, 52]-code) [i]Truncation
4Linear OA(375, 82, F3, 50) (dual of [82, 7, 51]-code) [i]
5Linear OA(3170, 177, F3, 110) (dual of [177, 7, 111]-code) [i]Juxtaposition
6Linear OA(3190, 197, F3, 125) (dual of [197, 7, 126]-code) [i]
7Linear OA(3196, 203, F3, 127) (dual of [203, 7, 128]-code) [i]
8Linear OOA(378, 17, F3, 5, 53) (dual of [(17, 5), 7, 54]-NRT-code) [i]OOA Folding