MinT - Information on Result #818762

Information on Result #818762

Linear OOA(3²⁴¹, 383, F₃, 2, 61) (dual of [(383, 2), 525, 62]-NRT-code), using OOA 2-folding based on linear OA(3²⁴¹, 766, F₃, 61) (dual of [766, 525, 62]-code), using

discarding factors / shortening the dual code based on linear OA(3²⁴¹, 767, F₃, 61) (dual of [767, 526, 62]-code), using
- constructionÂ XX applied to C₁Â =Â C([307,364]), C₂Â =Â C([313,367]), C₃Â =Â C₁Â +Â C₂Â =Â C([313,364]), and C_âˆ©Â =Â C₁Â âˆ©Â C₂Â =Â C([307,367]) [i] based on
  1. linear OA(3²¹⁷, 728, F₃, 58) (dual of [728, 511, 59]-code), using the primitive BCH-code C(I) with length 728Â = 3⁶âˆ’1, defining interval IÂ =Â {307,308,…,364}, and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 59 [i]
  2. linear OA(3²¹⁴, 728, F₃, 55) (dual of [728, 514, 56]-code), using the primitive BCH-code C(I) with length 728Â = 3⁶âˆ’1, defining interval IÂ =Â {313,314,…,367}, and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 56 [i]
  3. linear OA(3²²⁹, 728, F₃, 61) (dual of [728, 499, 62]-code), using the primitive BCH-code C(I) with length 728Â = 3⁶âˆ’1, defining interval IÂ =Â {307,308,…,367}, and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 62 [i]
  4. linear OA(3²⁰², 728, F₃, 52) (dual of [728, 526, 53]-code), using the primitive BCH-code C(I) with length 728Â = 3⁶âˆ’1, defining interval IÂ =Â {313,314,…,364}, and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 53 [i]
  5. linear OA(3⁸, 23, F₃, 5) (dual of [23, 15, 6]-code), using
    - discarding factors / shortening the dual code based on linear OA(3⁸, 26, F₃, 5) (dual of [26, 18, 6]-code), using
      - dual code (with bound on d by constructionÂ Y1) [i] based on
        linear OA(3¹⁸, 26, F₃, 12) (dual of [26, 8, 13]-code), using
        2 times truncation [i] based on linear OA(3²⁰, 28, F₃, 14) (dual of [28, 8, 15]-code), using
        contraction [i] based on linear OA(3⁴⁸, 56, F₃, 29) (dual of [56, 8, 30]-code), using the BCH-code C(I) with length 56Â | 3⁶âˆ’1, defining interval IÂ =Â {0,1,…,28}, and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 30 [i]
        nonexistence of linear OA(3¹⁷, 21, F₃, 12) (dual of [21, 4, 13]-code), because
        â€œHNâ€ bound on codes from Brouwerâ€™s database [i]
  6. linear OA(3⁴, 16, F₃, 2) (dual of [16, 12, 3]-code), using
    - discarding factors / shortening the dual code based on linear OA(3⁴, 40, F₃, 2) (dual of [40, 36, 3]-code), using
      - Hamming code H(4,3) [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

None.