MinT - Information on Result #1070712

Information on Result #1070712

Linear OOA(128⁶⁴, 4204, F₁₂₈, 4, 24) (dual of [(4204, 4), 16752, 25]-NRT-code), using OOA 2-folding based on linear OOA(128⁶⁴, 8408, F₁₂₈, 2, 24) (dual of [(8408, 2), 16752, 25]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(128⁶⁴, 8409, F₁₂₈, 2, 24) (dual of [(8409, 2), 16754, 25]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(128¹⁷, 216, F₁₂₈, 2, 12) (dual of [(216, 2), 415, 13]-NRT-code), using
    - extended algebraic-geometric NRT-code AG_e(2;F,419P) [i] based on function field F/F₁₂₈ with g(F) = 5 and N(F) ≥ 216, using
      - a function field by SÃ©mirat [i]
  2. linear OOA(128⁴⁷, 8193, F₁₂₈, 2, 24) (dual of [(8193, 2), 16339, 25]-NRT-code), using
    - OOA 2-folding [i] based on linear OA(128⁴⁷, 16386, F₁₂₈, 24) (dual of [16386, 16339, 25]-code), using
      - constructionÂ X applied to C_e(23) âŠ‚ C_e(22) [i] based on
        linear OA(128⁴⁷, 16384, F₁₂₈, 24) (dual of [16384, 16337, 25]-code), using an extension C_e(23) of the primitive narrow-sense BCH-code C(I) with length 16383Â = 128²âˆ’1, defining interval IÂ =Â [1,23], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 24 [i]
        linear OA(128⁴⁵, 16384, F₁₂₈, 23) (dual of [16384, 16339, 24]-code), using an extension C_e(22) of the primitive narrow-sense BCH-code C(I) with length 16383Â = 128²âˆ’1, defining interval IÂ =Â [1,22], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 23 [i]
        linear OA(128⁰, 2, F₁₂₈, 0) (dual of [2, 2, 1]-code), using
        discarding factors / shortening the dual code based on linear OA(128⁰, s, F₁₂₈, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
        OA with only one run / dual of code without redundancy [i]

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.

Other Results with Identical Parameters

None.

Depending Results

None.