MinT - Information on Result #1175477

Information on Result #1175477

Linear OOA(2²²¹, 2796344, F₂, 8, 12) (dual of [(2796344, 8), 22370531, 13]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(2⁶⁴, 2097149, F₂, 8, 6) (dual of [(2097149, 8), 16777128, 7]-NRT-code), using
- OOA stacking with additional row [i] based on linear OOA(2⁶⁴, 2097150, F₂, 3, 6) (dual of [(2097150, 3), 6291386, 7]-NRT-code), using
  - 1 step truncation [i] based on linear OOA(2⁶⁵, 2097151, F₂, 3, 7) (dual of [(2097151, 3), 6291388, 8]-NRT-code), using
    - OOAs constructed from BCH codes [i]
linear OOA(2¹⁵⁷, 1398172, F₂, 8, 12) (dual of [(1398172, 8), 11185219, 13]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2¹⁹, 72, F₂, 8, 6) (dual of [(72, 8), 557, 7]-NRT-code), using
    - appending 2 arbitrary columns [i] based on linear OOA(2¹⁹, 72, F₂, 6, 6) (dual of [(72, 6), 413, 7]-NRT-code), using
      - appending kth column [i] based on linear OOA(2¹⁹, 72, F₂, 5, 6) (dual of [(72, 5), 341, 7]-NRT-code), using
        extracting embedded OOA [i] based on digital (13, 19, 72)-net over F₂, using
        linear code embedding found in a computer search [i]
  2. linear OOA(2¹³⁸, 1398100, F₂, 8, 12) (dual of [(1398100, 8), 11184662, 13]-NRT-code), using
    - OA 6-folding and stacking [i] based on linear OA(2¹³⁸, 8388600, F₂, 12) (dual of [8388600, 8388462, 13]-code), using
      - discarding factors / shortening the dual code based on linear OA(2¹³⁸, large, F₂, 12) (dual of [large, large−138, 13]-code), using
        the primitive narrow-sense BCH-code C(I) with length 8388607Â = 2²³âˆ’1, defining interval IÂ =Â [1,12], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 13 [i]

Mode: Constructive and 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.