MinT - Information on Result #1689502

Information on Result #1689502

Linear OOA(2²⁵⁵, 1435448, F₂, 7, 20) (dual of [(1435448, 7), 10047881, 21]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2²⁵⁵, 1435448, F₂, 5, 20) (dual of [(1435448, 5), 7176985, 21]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2²⁵⁵, 1677747, F₂, 5, 20) (dual of [(1677747, 5), 8388480, 21]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2²⁵, 27, F₂, 5, 10) (dual of [(27, 5), 110, 11]-NRT-code), using
    - extracting embedded OOA [i] based on digital (15, 25, 27)-net over F₂, using
      - 2 times m-reduction [i] based on digital (15, 27, 27)-net over F₂, using
        a shift-net [i]
  2. linear OOA(2²³⁰, 1677720, F₂, 5, 20) (dual of [(1677720, 5), 8388370, 21]-NRT-code), using
    - OOA 5-folding [i] based on linear OA(2²³⁰, 8388600, F₂, 20) (dual of [8388600, 8388370, 21]-code), using
      - discarding factors / shortening the dual code based on linear OA(2²³⁰, large, F₂, 20) (dual of [large, large−230, 21]-code), using
        the primitive narrow-sense BCH-code C(I) with length 8388607Â = 2²³âˆ’1, defining interval IÂ =Â [1,20], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 21 [i]

Mode: Linear.

Optimality

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

Other Results with Identical Parameters

None.

Depending Results

None.