MinT - Information on Result #1594295

Information on Result #1594295

Linear OOA(2¹⁸⁷, 1375, F₂, 4, 30) (dual of [(1375, 4), 5313, 31]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2¹⁸⁷, 1375, F₂, 3, 30) (dual of [(1375, 3), 3938, 31]-NRT-code), using

strength reduction [i] based on linear OOA(2¹⁸⁷, 1375, F₂, 3, 31) (dual of [(1375, 3), 3938, 32]-NRT-code), using
- OOA 3-folding [i] based on linear OA(2¹⁸⁷, 4125, F₂, 31) (dual of [4125, 3938, 32]-code), using
  - discarding factors / shortening the dual code based on linear OA(2¹⁸⁷, 4126, F₂, 31) (dual of [4126, 3939, 32]-code), using
    - constructionÂ X applied to C_e(30) âŠ‚ C_e(26) [i] based on
      1. linear OA(2¹⁸¹, 4096, F₂, 31) (dual of [4096, 3915, 32]-code), using an extension C_e(30) of the primitive narrow-sense BCH-code C(I) with length 4095Â = 2¹²âˆ’1, defining interval IÂ =Â [1,30], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 31 [i]
      2. linear OA(2¹⁵⁷, 4096, F₂, 27) (dual of [4096, 3939, 28]-code), using an extension C_e(26) of the primitive narrow-sense BCH-code C(I) with length 4095Â = 2¹²âˆ’1, defining interval IÂ =Â [1,26], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 27 [i]
      3. linear OA(2⁶, 30, F₂, 3) (dual of [30, 24, 4]-code or 30-cap in PG(5,2)), using
        discarding factors / shortening the dual code based on 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: 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		This result only	Method
1	Linear OOA(2¹⁸⁸, 1375, F₂, 4, 30) (dual of [(1375, 4), 5312, 31]-NRT-code)	[i]		OOA Duplication
2	Linear OOA(2¹⁸⁷, 687, F₂, 7, 30) (dual of [(687, 7), 4622, 31]-NRT-code)	[i]		OOA Folding
3	Linear OOA(2¹⁸⁷, 687, F₂, 8, 30) (dual of [(687, 8), 5309, 31]-NRT-code)	[i]		OOA Folding