MinT - Information on Result #1115960

Information on Result #1115960

Linear OOA(2²¹⁵, 1677787, F₂, 5, 17) (dual of [(1677787, 5), 8388720, 18]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(2³⁰, 67, F₂, 5, 8) (dual of [(67, 5), 305, 9]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2¹⁰, 32, F₂, 5, 4) (dual of [(32, 5), 150, 5]-NRT-code), using
    - appending 1 arbitrary column [i] based on linear OOA(2¹⁰, 32, F₂, 4, 4) (dual of [(32, 4), 118, 5]-NRT-code), using
      - appending kth column [i] based on linear OOA(2¹⁰, 32, F₂, 3, 4) (dual of [(32, 3), 86, 5]-NRT-code), using
        extracting embedded OOA [i] based on digital (6, 10, 32)-net over F₂, using
        linear code embedding found in a computer search [i]
  2. linear OOA(2²⁰, 35, F₂, 5, 8) (dual of [(35, 5), 155, 9]-NRT-code), using
    - extracting embedded OOA [i] based on digital (12, 20, 35)-net over F₂, using
      - linear code embedding found in a computer search [i]
linear OOA(2¹⁸⁵, 1677720, F₂, 5, 17) (dual of [(1677720, 5), 8388415, 18]-NRT-code), using
- OOA 5-folding [i] based on linear OA(2¹⁸⁵, 8388600, F₂, 17) (dual of [8388600, 8388415, 18]-code), using
  - discarding factors / shortening the dual code based on linear OA(2¹⁸⁵, large, F₂, 17) (dual of [large, large−185, 18]-code), using
    - the expurgated narrow-sense BCH-code C(I) with length 8388609Â | 2⁴⁶âˆ’1, defining interval IÂ =Â [0,8], and minimum distance dÂ â‰¥ |{−8,−7,…,8}|+1Â =Â 18 (BCH-bound) [i]

Mode: Constructive and linear.

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