MinT - Information on Result #1084672

Information on Result #1084672

Linear OOA(3¹⁹⁰, 4194380, F₃, 4, 13) (dual of [(4194380, 4), 16777330, 14]-NRT-code), using generalized (u,Â u+v)-construction based on

linear OOA(3⁹, 80, F₃, 4, 4) (dual of [(80, 4), 311, 5]-NRT-code), using
- appending kth column [i] based on linear OOA(3⁹, 80, F₃, 3, 4) (dual of [(80, 3), 231, 5]-NRT-code), using
  - extracting embedded OOA [i] based on digital (5, 9, 80)-net over F₃, using
    - nets constructed from net-embeddable BCH codes [i]
linear OOA(3⁶⁰, 2097150, F₃, 4, 6) (dual of [(2097150, 4), 8388540, 7]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3⁶⁰, 2796201, F₃, 4, 6) (dual of [(2796201, 4), 11184744, 7]-NRT-code), using
  - OA 3-folding and stacking [i] based on linear OA(3⁶⁰, large, F₃, 6) (dual of [large, large−60, 7]-code), using
    - the primitive narrow-sense BCH-code C(I) with length 14348906Â = 3¹⁵âˆ’1, defining interval IÂ =Â [1,6], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 7 [i]
linear OOA(3¹²¹, 2097150, F₃, 4, 13) (dual of [(2097150, 4), 8388479, 14]-NRT-code), using
- OOA 4-folding [i] based on linear OA(3¹²¹, 8388600, F₃, 13) (dual of [8388600, 8388479, 14]-code), using
  - discarding factors / shortening the dual code based on linear OA(3¹²¹, large, F₃, 13) (dual of [large, large−121, 14]-code), using
    - the expurgated narrow-sense BCH-code C(I) with length 14348908Â | 3³⁰âˆ’1, defining interval IÂ =Â [0,6], and minimum distance dÂ â‰¥ |{−6,−5,…,6}|+1Â =Â 14 (BCH-bound) [i]

Mode: Constructive and linear.

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