MinT - Information on Result #2667225

Information on Result #2667225

Linear OOA(2¹³⁹, 2742, F₂, 3, 20) (dual of [(2742, 3), 8087, 21]-NRT-code), using 2¹ times duplication based on linear OOA(2¹³⁸, 2742, F₂, 3, 20) (dual of [(2742, 3), 8088, 21]-NRT-code), using

OOA 3-folding [i] based on linear OA(2¹³⁸, 8226, F₂, 20) (dual of [8226, 8088, 21]-code), using
- 2 times code embedding in larger space [i] based on linear OA(2¹³⁶, 8224, F₂, 20) (dual of [8224, 8088, 21]-code), using
  - 1 times truncation [i] based on linear OA(2¹³⁷, 8225, F₂, 21) (dual of [8225, 8088, 22]-code), using
    - constructionÂ X applied to C([0,10]) âŠ‚ C([0,8]) [i] based on
      1. linear OA(2¹³¹, 8193, F₂, 21) (dual of [8193, 8062, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 8193Â | 2²⁶âˆ’1, defining interval IÂ =Â [0,10], and minimum distance dÂ â‰¥ |{−10,−9,…,10}|+1Â =Â 22 (BCH-bound) [i]
      2. linear OA(2¹⁰⁵, 8193, F₂, 17) (dual of [8193, 8088, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 8193Â | 2²⁶âˆ’1, defining interval IÂ =Â [0,8], and minimum distance dÂ â‰¥ |{−8,−7,…,8}|+1Â =Â 18 (BCH-bound) [i]
      3. linear OA(2⁶, 32, F₂, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
        Reedâ€“Muller code RM(1,5) [i]
        caps in base bÂ =Â 2 [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(2¹³⁹, 2439, F₂, 4, 20) (dual of [(2439, 4), 9617, 21]-NRT-code)	[i]	Embedding of OOA with Gilbertâ€“VarÅ¡amov Bound
2	Linear OOA(2¹³⁹, 2439, F₂, 5, 20) (dual of [(2439, 5), 12056, 21]-NRT-code)	[i]
3	Linear OOA(2¹³⁹, 2439, F₂, 6, 20) (dual of [(2439, 6), 14495, 21]-NRT-code)	[i]
4	Linear OOA(2¹³⁹, 2439, F₂, 7, 20) (dual of [(2439, 7), 16934, 21]-NRT-code)	[i]
5	Linear OOA(2¹³⁹, 2439, F₂, 8, 20) (dual of [(2439, 8), 19373, 21]-NRT-code)	[i]
6	Digital (119, 139, 2439)-net over F₂	[i]