MinT - Information on Result #1687519

Information on Result #1687519

Linear OOA(2²³², 1677754, F₂, 7, 18) (dual of [(1677754, 7), 11744046, 19]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2²³², 1677754, F₂, 5, 18) (dual of [(1677754, 5), 8388538, 19]-NRT-code), using

(u,Â u+v)-construction [i] based on
1. linear OOA(2²⁵, 34, F₂, 5, 9) (dual of [(34, 5), 145, 10]-NRT-code), using
  - (u,Â u+v)-construction [i] based on
    1. linear OOA(2⁸, 17, F₂, 5, 4) (dual of [(17, 5), 77, 5]-NRT-code), using
      - appending 1 arbitrary column [i] based on linear OOA(2⁸, 17, F₂, 4, 4) (dual of [(17, 4), 60, 5]-NRT-code), using
        appending kth column [i] based on linear OOA(2⁸, 17, F₂, 3, 4) (dual of [(17, 3), 43, 5]-NRT-code), using
        extracting embedded OOA [i] based on digital (4, 8, 17)-net over F₂, using
        nets constructed from net-embeddable BCH codes [i]
    2. linear OOA(2¹⁷, 17, F₂, 5, 9) (dual of [(17, 5), 68, 10]-NRT-code), using
      - extracting embedded OOA [i] based on digital (8, 17, 17)-net over F₂, using
        a shift-net [i]
2. linear OOA(2²⁰⁷, 1677720, F₂, 5, 18) (dual of [(1677720, 5), 8388393, 19]-NRT-code), using
  - OOA 5-folding [i] based on linear OA(2²⁰⁷, 8388600, F₂, 18) (dual of [8388600, 8388393, 19]-code), using
    - discarding factors / shortening the dual code based on linear OA(2²⁰⁷, large, F₂, 18) (dual of [large, large−207, 19]-code), using
      - the primitive narrow-sense BCH-code C(I) with length 8388607Â = 2²³âˆ’1, defining interval IÂ =Â [1,18], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 19 [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.