MinT - Information on Result #1060838

Information on Result #1060838

Linear OOA(3²²⁸, 2097160, F₃, 4, 21) (dual of [(2097160, 4), 8388412, 22]-NRT-code), using OOA 2-folding based on linear OOA(3²²⁸, 4194320, F₃, 2, 21) (dual of [(4194320, 2), 8388412, 22]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(3²²⁸, 4194321, F₃, 2, 21) (dual of [(4194321, 2), 8388414, 22]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(3¹⁸, 20, F₃, 2, 10) (dual of [(20, 2), 22, 11]-NRT-code), using
    - extracting embedded OOA [i] based on digital (8, 18, 20)-net over F₃, using
      - 2 times m-reduction [i] based on digital (8, 20, 20)-net over F₃, using
        a shift-net [i]
  2. linear OOA(3²¹⁰, 4194301, F₃, 2, 21) (dual of [(4194301, 2), 8388392, 22]-NRT-code), using
    - OOA 2-folding [i] based on linear OA(3²¹⁰, 8388602, F₃, 21) (dual of [8388602, 8388392, 22]-code), using
      - discarding factors / shortening the dual code based on linear OA(3²¹⁰, large, F₃, 21) (dual of [large, large−210, 22]-code), using
        the primitive narrow-sense BCH-code C(I) with length 14348906Â = 3¹⁵âˆ’1, defining interval IÂ =Â [1,21], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 22 [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.