MinT - Information on Result #993822

Information on Result #993822

Linear OOA(256⁵⁰, 21851, F₂₅₆, 3, 23) (dual of [(21851, 3), 65503, 24]-NRT-code), using OOA 3-folding based on linear OA(256⁵⁰, 65553, F₂₅₆, 23) (dual of [65553, 65503, 24]-code), using

discarding factors / shortening the dual code based on linear OA(256⁵⁰, 65554, F₂₅₆, 23) (dual of [65554, 65504, 24]-code), using
- constructionÂ X applied to C([0,11]) âŠ‚ C([0,8]) [i] based on
  1. linear OA(256⁴⁵, 65537, F₂₅₆, 23) (dual of [65537, 65492, 24]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537Â | 256⁴âˆ’1, defining interval IÂ =Â [0,11], and minimum distance dÂ â‰¥ |{−11,−10,…,11}|+1Â =Â 24 (BCH-bound) [i]
  2. linear OA(256³³, 65537, F₂₅₆, 17) (dual of [65537, 65504, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 65537Â | 256⁴âˆ’1, defining interval IÂ =Â [0,8], and minimum distance dÂ â‰¥ |{−8,−7,…,8}|+1Â =Â 18 (BCH-bound) [i]
  3. linear OA(256⁵, 17, F₂₅₆, 5) (dual of [17, 12, 6]-code or 17-arc in PG(4,256)), using
    - discarding factors / shortening the dual code based on linear OA(256⁵, 256, F₂₅₆, 5) (dual of [256, 251, 6]-code or 256-arc in PG(4,256)), using
      - Reedâ€“Solomon code RS(251,256) [i]

Mode: Constructive and linear.

Optimality

Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

	Result		Method
1	Linear OOA(256⁵⁰, 21851, F₂₅₆, 4, 23) (dual of [(21851, 4), 87354, 24]-NRT-code)	[i]	Embedding of OOA with Gilbertâ€“VarÅ¡amov Bound
2	Linear OOA(256⁵⁰, 21851, F₂₅₆, 5, 23) (dual of [(21851, 5), 109205, 24]-NRT-code)	[i]
3	Linear OOA(256⁵⁰, 21851, F₂₅₆, 6, 23) (dual of [(21851, 6), 131056, 24]-NRT-code)	[i]
4	Digital (27, 50, 21851)-net over F₂₅₆	[i]