MinT - Information on Result #1150105

Information on Result #1150105

Linear OOA(2⁶¹, 8196, F₂, 7, 8) (dual of [(8196, 7), 57311, 9]-NRT-code), using OA 4-folding and stacking based on linear OA(2⁶¹, 32784, F₂, 8) (dual of [32784, 32723, 9]-code), using

1 times truncation [i] based on linear OA(2⁶², 32785, F₂, 9) (dual of [32785, 32723, 10]-code), using
- constructionÂ X4 applied to C_e(8) âŠ‚ C_e(6) [i] based on
  1. linear OA(2⁶¹, 32768, F₂, 9) (dual of [32768, 32707, 10]-code), using an extension C_e(8) of the primitive narrow-sense BCH-code C(I) with length 32767Â = 2¹⁵âˆ’1, defining interval IÂ =Â [1,8], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 9 [i]
  2. linear OA(2⁴⁶, 32768, F₂, 7) (dual of [32768, 32722, 8]-code), using an extension C_e(6) of the primitive narrow-sense BCH-code C(I) with length 32767Â = 2¹⁵âˆ’1, defining interval IÂ =Â [1,6], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 7 [i]
  3. linear OA(2¹⁶, 17, F₂, 15) (dual of [17, 1, 16]-code), using
    - strength reduction [i] based on linear OA(2¹⁶, 17, F₂, 16) (dual of [17, 1, 17]-code or 17-arc in PG(15,2)), using
      - dual of repetition code with length 17 [i]
  4. linear OA(2¹, 17, F₂, 1) (dual of [17, 16, 2]-code), using
    - discarding factors / shortening the dual code based on linear OA(2¹, s, F₂, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
      - parity-check code [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(2⁶³, 8196, F₂, 7, 8) (dual of [(8196, 7), 57309, 9]-NRT-code)	[i]	OOA Duplication
2	Linear OOA(2²⁴⁵, 1206567, F₂, 7, 16) (dual of [(1206567, 7), 8445724, 17]-NRT-code)	[i]	(u,Â u+v)-Construction for OOAs
3	Linear OOA(2²⁴⁶, 1206567, F₂, 7, 17) (dual of [(1206567, 7), 8445723, 18]-NRT-code)	[i]	(u,Â u+v)-Construction for OOAs